Airworthiness Directive · Amendment 39-16635 · Engine indicating
Piper Aircraft, Inc. (Type Certificate Previously Held by The New Piper Aircraft, Inc.) Models PA-46-310P, PA-46-350P, and PA-46R-350T Airplanes
This AD applies to the following Piper Aircraft, Inc. (type certificate previously held by The New Piper Aircraft, Inc.) Models PA-46-310P, PA-46-350P, and PA-46R-350T airplanes that are:
(1) Certificated in any category; and
(2) equipped with a turbine inlet temperature (T.I.T.) system identified in table 3 of this AD. Relief from this AD is available only if the gauge and probe are replaced through STC and not if a second T.I.T. gauge was installed while retaining the Lewis or Transicoil T.I.T. gauge and probe.
| Models | Serial Numbers (S/N) |
|---|---|
| PA-46-310P (Malibu) | 46-8408001 through 46-8608067 and 4608001 through 4608140. |
| PA-46-350P (Malibu Mirage) | 4622001 through 4622200 and 4636001 through 4636020. |
| Models | S/N |
|---|---|
| PA-46-350P (Malibu Mirage) | 4636021 and subsequent. |
| PA-46R-350T (Matrix) | 4692001 and subsequent. |
| Models | S/N | Indication system P/N | Probe P/N |
|---|---|---|---|
| PA-46-310P | 46-8408001 through 46-8608067 and 4608001 through 4608140 | Lewis T.I.T. analog indicators P/N 471-008 | 471-009 or 481-387. |
| PA-46-350P | 4622001 through 4622200 and 4636001 through 4636020 | Lewis T.I.T. analog indicators P/N 471-008 | 481-389 or 481-392 or 686-216 (preferred). |
| PA-46-350P | 4636021 through 4636374 | Lewis T.I.T. digital indicators P/N 548-811 | 481-389 or 481-392 or 686-216 (preferred). |
| PA-46-350P | 4636375 and subsequent | Avidyne Entegra or other Electronic Flight Information System (EFIS) display | 686-216. |
| PA-46R-350T | 4692001 and subsequent | Avidyne Entegra or other EFIS display | 686-216. |
We are superseding an existing airworthiness directive (AD) that applies to certain Piper Aircraft, Inc. Models PA-46-310P and PA- 46-350P airplanes that are equipped with a Lewis or Transicoil turbine inlet temperature (T.I.T.) gauge and associated probe. That AD currently requires cleaning, inspecting, and calibrating the T.I.T. system; replacing any T.I.T. system that fails the calibration test; repetitively replacing the T.I.T. probe on certain airplanes; and inserting a copy of the AD into the pilot's operating handbook (POH) for certain airplanes. This new AD retains the actions required by the previous AD (AD 99-15-04 R1), adds certain Model PA-46R-350T airplanes to the Applicability section, expands the applicability to include other T.I.T. systems, and incorporates new service information. This AD was prompted by the manufacturer revising related service information and adding an airplane model to the list of affected airplanes. We are issuing this AD to prevent improper engine operation caused by improperly calibrated T.I.T. indicators or defective T.I.T. probes, which could result in engine damage/failure with consequent loss of control of the airplane.
For Group 1 airplanes: Comply with this AD within the compliance times specified, unless already done.
| Actions | Compliance | Procedures |
|---|---|---|
| (1) Clean and inspect the T.I.T. gauge and probe | Within the next 100 hours time-in-service (TIS) after August 31, 1999 (the effective date retained from AD 99-15-04) | Follow Piper Airplane Maintenance Manual PA-46-310P/PA-46-350P, Part Number 761 783, Chapter 77, section 77-20-00 A.(1)(d), dated July 1, 1998; and Piper Airplane Maintenance Manual PA-46-350P/PA-46R-350T, Part Number 761 876, Chapter 77, section 77-20-00 1.C, page 1, dated August 28, 2007, and page 2, dated July 31, 2008, as applicable. |
| (2) Calibrate the T.I.T. system | Within the next 100 hours TIS after August 31, 1999 (the effective date retained from AD 99-15-04) | Follow Piper Airplane Maintenance Manual PA-46-310P/PA-46-350P, Part Number 761 783, Chapter 77, section 77-20-00 A.(1)(g), dated July 1, 1998; and Piper Airplane Maintenance Manual PA-46-350P/PA-46R-350T, Part Number 761 876, Chapter 77, section 77-20-00 1.F, page 2, dated July 31, 2008, and pages 3 and 4, dated August 28, 2007, as applicable; or Piper Service Bulletin No. 995C, dated November 17, 2009 |
| (3) If the T.I.T. probe fails the inspection required in paragraph (f)(1) of this AD and/or the T.I.T. system indicator cannot be calibrated as required in paragraph (f)(2) of this AD, replace any failed parts with a serviceable part listed in table 3 of this AD as long as it has been inspected, passed the inspection, and been properly calibrated | Before further flight after the cleaning and inspection required in paragraph (f)(1) and the calibration required in paragraph (f)(2) of this AD | Follow Piper Airplane Maintenance Manual PA-46-310P/PA-46-350P, Part Number 761 783, Chapter 77, section 77-20-00 A.(1)(f), dated July 1, 1998; and Piper Airplane Maintenance Manual PA-46-350P/PA-46R-350T, Part Number 761 876, Chapter 77, section 77-20-00 1.E., page 2, dated July 31, 2008, as applicable; or Piper Service Bulletin No. 995C, dated November 17, 2009 |
| (4) Incorporate the information from Appendix 1 and Appendix 2, as applicable, of this AD into the Emergency Procedures section of the pilot operating handbook (POH). This may be done by inserting a copy of this AD into the POH | Within the next 100 hours TIS after August 31, 1999 (the effective date retained from AD 99-15-04) | Not applicable. |
| (5) Only install a part listed in table 3 of this AD after it has been inspected and properly calibrated | As of July 28, 2000 (the effective date of AD 99-15-04 R1) | Not applicable. |
| (6) Model PA-46-350P airplanes only: Replace the T.I.T. probe with a new part number 481-389, 481-392, or 686-216 probe (preferred). This action is not required for Model PA-46-310P | Upon accumulating 250 hours TIS on the currently installed T.I.T. probe or within the next 100 hours TIS after August 31, 1999 (the effective date retained from AD 99-15-04), whichever occurs later, and thereafter at intervals not to exceed 250 hours TIS | For serial numbers 4622001 through 4622200: Follow Piper Airplane Maintenance Manual PA-46-310P/PA-46-350P, Part Number 761 783, Chapter 77, section 77-20-00 A.(1)(f), dated July 1, 1998; or Piper Service Bulletin No. 995C, dated November 17, 2009. |
| For serial numbers 4636001 through 4636020: Follow Piper Airplane Maintenance Manual PA-46-350P/PA-46R-350T, Part Number 761 876, Chapter 77, section 77-20-00 1.E., page 2, dated July 31, 2008; or Piper Service Bulletin No. 995C, dated November 17, 2009. |
(g) For Group 2 airplanes: Comply with this AD within the compliance times specified, unless already done.
| Actions | Compliance | Procedures |
|---|---|---|
| (1) Model PA-46-350P airplanes, S/Ns 4636021 through 4636374 only: Clean and inspect the T.I.T. gauge and probe | Within the next 100 hours TIS after the effective date of this AD | Follow Piper Airplane Maintenance Manual PA-46-350P/PA-46R-350T, Part Number 761 876, Chapter 77, section 77-20-00 1.C, page 1, dated August 28, 2007, and page 2, dated July 31, 2008. |
| (2) Model PA-46-350P airplanes, S/Ns 4636021 through 4636374 only: If the T.I.T. probe fails the inspection required in paragraph (g)(1) of this AD, replace any failed parts with a serviceable part listed in table 3 of this AD as long as it has been inspected and has passed the inspection | Before further flight after the cleaning and inspection required in paragraph (g)(1) of this AD | Follow Piper Service Bulletin No. 995C, dated November 17, 2009. |
| (3) All Group 2 airplanes: Replace the T.I.T. probe with a new part number 686-216 probe | Upon accumulating 250 hours TIS on the currently installed T.I.T. probe or within the next 100 hours TIS after the effective date of this AD, whichever occurs later, and thereafter at intervals not to exceed 250 hours TIS | Piper Service Bulletin No. 995C, dated November 17, 2009. |
| (4) All Group 2 airplanes: Incorporate the information from Appendix 2 of this AD into the Emergency Procedures section of the POH. This may be done by inserting a copy of this AD into the POH | Within the next 100 hours TIS after the effective date of this AD | Not applicable. |
| (5) All Group 2 airplanes: Only install a part listed in table 3 of this AD after it has been inspected and properly calibrated | As of the effective date of this AD | Not applicable. |
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
