Airworthiness Directive · Amendment 39-22940 · Navigation
The Boeing Company Airplanes
This AD applies to The Boeing Company airplanes, certificated in any category, as identified in paragraphs (c)(1) through (9) of this AD, on which Collins GLU-2100 MMR, P/N 822-2532-100, with a software version earlier than COL4C-0087-0003 is installed.
(1) Model MD-11 and MD-11F airplanes modified by supplemental type certificate (STC) ST01895WI.
(2) Model 717-200 airplanes modified by STC ST04416AT.
(3) All Model 737-8 and 737-9 airplanes.
(4) All Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes.
(5) Model 747-400 and 747-400F series airplanes modified by STC ST01892WI.
(6) Model 757-200, -200PF, -200CB, and -300 series airplanes modified by STC ST04436AT.
(7) Model 767-200, -300, -300F, and -400ER series airplanes modified by STC ST04436AT or ST01883WI.
(8) All Model 777-200, -200LR, -300, and -300ER series airplanes.
(9) All Model 777F series airplanes.
The FAA is superseding Airworthiness Directive (AD) 2020-03- 20, which applied to certain The Boeing Company Model MD-11, MD-11F, and 717-200 airplanes; all Model 737-8 and 737-9 airplanes; all Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes; certain Model 747-400 and 747-400F series airplanes; certain Model 757 and 767 airplanes; and all Model 777 airplanes. AD 2020-03-20 required revising the existing airplane flight manual (AFM) to include a limitation to prohibit operations that require less than 0.3 required navigational performance (RNP) within a specified area for airplanes having a certain multimode receiver (MMR) with certain software installed. This AD was prompted by reports from Boeing of simultaneous MMR resets related to an error in calculating Coordinated Universal Time (UTC). This AD requires the actions in AD 2020-03-20, removes an airplane model from the applicability, and would also require installing certain MMR operational software (OPS). The FAA is issuing this AD to address the unsafe condition on these products.
This paragraph restates the requirements of paragraph (g) of AD 2020-03-20, with no changes. For airplanes equipped with Collins GLU-2100 MMR, part number (P/N) 822-2532-100, having any applicable GLU-2100 operational software (OPS) identified in figure 1 to paragraph (g) of this AD installed: At the applicable time specified in paragraphs (g)(1) and (2) of this AD, revise the limitations or certificate limitations section, as applicable, of the existing AFM to include the information specified in figure 2 to paragraph (g) of this AD and revise the procedures or normal procedures section, as applicable, of the existing AFM to include the information specified in figure 3 to paragraph (g) of this AD. This may be done by inserting a copy of figures 2 and 3 to paragraph (g) of this AD into the existing AFM.
(1) For Model 737-8 and 737-9 airplanes: Before further flight.
(2) For all airplanes except Model 737-8 and 737-9 airplanes: Within 7 days after February 18, 2020 (the effective date of AD 2020-03-20).
For airplanes identified in paragraphs (h)(1) through (7) of this AD with Collins GLU-2100 MMR, part number (P/N) 822-2532-100, having any applicable GLU-2100 operational software (OPS): Within 12 months after the effective date of this AD, install MMR OPS P/N COL4C-0087-0003, or later-approved software version, and do a software configuration check to confirm that P/N COL4C-0087-0003 or later-approved software version is installed. Both the installation and the check must be done in accordance with a method approved by the Manager, AIR-520, Continued Operational Safety Branch, FAA. Later-approved software versions are those Boeing or Collins software versions that are approved as a replacement for MMR OPS P/N COL4C-0087-0003 and are approved as part of the type design by the FAA or by The Boeing Company Organization Designation Authorization (ODA).
(1) Model MD-11 and MD-11F airplanes modified by STC ST01895WI.
(2) Model 717-200 airplanes modified by STC ST04416AT.
(3) Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes modified by STC ST04436AT.
(4) Model 747-400 and 747-400F series airplanes modified by STC ST01892WI.
(5) Model 757-200, -200PF, -200CB, and -300 series airplanes modified by STC ST04436AT.
(6) Model 767-200, -300, -300F, and -400ER series airplanes modified by STC ST04436AT or ST01883WI.
(7) Model 777-200, -200LR, and -300 series airplanes.
For Model 737-8 and -9 airplanes, Model 737-900ER series airplanes, and Model 777-300ER and 777F series airplanes equipped with Collins GLU-2100 MMR, part number (P/N) 822-2532-100, having any applicable GLU-2100 operational software (OPS): Within 12 months after the effective date of this AD, except as specified in paragraph (j) of this AD, do all applicable actions identified in, and in accordance with, the Accomplishment Instructions of the applicable requirements bulletin identified in paragraphs (i)(1) through (3) of this AD.
(1) For Model 737-8 and -9 airplanes: Boeing Alert Requirements Bulletin 737-34A3572 RB, dated October 15, 2020.
Note 1 to paragraph (i)(1): Guidance for accomplishing the actions required by paragraph (i)(1) of this AD can be found in Boeing Alert Service Bulletin 737-34A3572, dated October 15, 2020, which is referred to in Boeing Alert Requirements Bulletin 737-34A3572 RB, dated October 15, 2020.
(2) For Model 737-900ER series airplanes: Boeing Alert Requirements Bulletin 737-34A3573 RB, dated August 5, 2020.
Note 2 to paragraph (i)(2): Guidance for accomplishing the actions required by paragraph (i)(2) of this AD can be found in Boeing Alert Service Bulletin 737-34A3573, dated August 5, 2020, which is referred to in Boeing Alert Requirements Bulletin 737-34A3573 RB, dated August 5, 2020.
(3) For Model 777-300ER and 777F series airplanes: Boeing Alert Requirements Bulletin 777-34A0385 RB, Revision 1, dated March 8, 2021.
Note 3 to paragraph (i)(3): Guidance for accomplishing the actions required by paragraph (i)(3) of this AD can be found in Boeing Alert Service Bulletin 777-34A0385, Revision 1, dated March 8, 2021, which is referred to in Boeing Alert Requirements Bulletin 777-34A0385 RB, Revision 1, dated March 8, 2021.
Where the requirements bulletins identified in paragraphs (i)(1) through (3) of this AD specify installing MMR option selection software (OSS) P/N BCG27-U000-0730 or BCG48-U000-05W9 and doing the associated software configuration check, this AD does not require those actions.
After accomplishing the actions required by paragraph (h) or (i) of this AD, as applicable, you may remove the AFM revision required by paragraph (g) 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.
