Airworthiness Directive · Amendment 39-23055 · Fire protection
Textron Aviation, Inc. (Type Certificate Previously Held by Cessna Aircraft Company) Airplanes
This AD applies to Textron Aviation, Inc. (Type Certificate previously held by Cessna Aircraft Company) airplanes, certificated in any category, as specified in paragraphs (c)(1) and (2) of this AD.
(1) Model 560 airplanes, having serial numbers (S/Ns) 560-0001 through 560-0707 inclusive, and 560-0751 through 560-0815 inclusive.
(2) Model 560XL airplanes, having S/Ns 560-5001 through 560-5372 inclusive, 560- 5501 through 560-5677 inclusive, 560-5679 through 560-5830 inclusive, 560-6001 through 560-6294 inclusive, and 560-6296 through 560-6360 inclusive.
The FAA is adopting a new airworthiness directive (AD) for certain Textron Aviation, Inc., Model 560 and 560XL airplanes. This AD was prompted by reports of mis-wired fire extinguishing bottles. This AD requires an engine fire extinguisher system functional test, an inspection of the fire extinguisher bottle cartridge wire numbers and yellow ID sleeves for proper identification and legibility, and applicable corrective actions. This AD also requires revising the existing inspection program to incorporate new airworthiness limitations for repetitive inspections of the engine fire extinguisher wiring and, as applicable, auxiliary power unit (APU) fire extinguisher wiring. The FAA is issuing this AD to address the unsafe condition on these products.
For all airplanes except for serial numbers 560-6307 through 560-6360 inclusive: Within 100 flight hours or 60 days after the effective date of this AD, whichever occurs first, do the actions specified in paragraph (g)(1) and (2) of this AD.
(1) Perform an engine fire extinguisher system functional test in accordance with step 4. of the Accomplishment Instructions of Textron Aviation Citation Service Letter SL560-26-02, Revision 1, dated July 31, 2024, or Textron Aviation Citation Service Letter SL560XL-26-02, Revision 1, dated July 31, 2024, as applicable.
(2) Perform an inspection of the fire extinguisher bottle cartridge wire numbers and yellow ID sleeves for proper identification and legibility in accordance with step 6. of the Accomplishment Instructions of Textron Aviation Citation Service Letter SL560-26-02, Revision 1, dated July 31, 2024; or Textron Aviation Citation Service Letter SL560XL-26-02, Revision 1, dated July 31, 2024; as applicable. If the proper identification is not found or any yellow ID sleeve is not legible, within 100 flight hours or 60 days after the effective date of this AD, whichever occurs first do all applicable corrective actions, in accordance with step 6. of the Accomplishment Instructions of Textron Aviation Citation Service Letter SL560-26-02, Revision 1, dated July 31, 2024; or Textron Aviation Citation Service Letter SL560XL-26-02, Revision 1, dated July 31, 2024; as applicable.
Although Textron Aviation Citation Service Letter SL560-26-02, Revision 1, dated July 31, 2024; and Textron Aviation Citation Service Letter SL560XL-26-02, Revision 1, dated July 31, 2024, specify to report inspection findings, this AD does not require any report.
No later than 24 months after accomplishing paragraph (g) of this AD, do the revision specified in paragraph (i)(1) or (2) of this AD, as applicable.
(1) For Model 560 airplanes, revise the existing inspection program to include the information identified in table 1 to paragraph (i)(1) of this AD. The initial compliance time for the task is at the later of the times specified in paragraphs (i)(1)(i) and (ii) of this AD.
(i) Within 100 flight hours or 60 days after the effective date of this AD, whichever occurs first.
(ii) Within 24 months after accomplishing paragraph (g) of this AD.
| Task No. | Task description | Task interval | Maintenance manual chapter |
|---|---|---|---|
| 26-21-00-220 | Fire Extinguisher Wiring Detailed Inspection | 24 months | 4-10-00 |
(2) For Model 560XL airplanes, revise the existing inspection program to include the information identified in table 2 to paragraph (i)(2) of this AD. The initial compliance time for the tasks is at the later of the times specified in paragraphs (i)(2)(i) and (ii) of this AD.
(i) Within 100 flight hours or 60 days after the effective date of this AD, whichever occurs first.
(ii) Within 24 months after accomplishing paragraph (g) of this AD.
| Task No. | Task description | Task interval | Maintenance manual chapter |
|---|---|---|---|
| 26-21-00-2200 | Engine Fire Extinguisher Wiring Detailed Inspection | 24 months | 4-10-01 |
| 26-23-00-2200 | Auxiliary Power Unit Fire Extinguisher Wiring Detailed Inspection | 24 months | 4-10-01 |
After the existing inspection program has been revised as required by paragraph (i) of this AD, no alternative actions (e.g., inspections) or intervals, may be used unless the actions and intervals are approved as an alternative method of compliance (AMOC) in accordance with the procedures specified in paragraph (k) of this AD.
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.
Aircraft
