Vibrations and Noise in the Aft Passenger/Crew Door Area

TASK 52-13-00-810-826-A
Vibrations and Noise in the Aft Passenger/Crew Door Area

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TSM TASK 05-50-00-810-801-A	Identification of the Cause of In-Flight Airframe Vibrations and/or Noises
TSM TASK 52-13-00-810-811-A	Seal of the L Aft Passenger/Crew Door Defective
TSM TASK 52-13-00-810-812-A	Seal of the R Aft Passenger/Crew Door Defective
AMM 52-10-00-220-007	Check of the Preload of the Cover Plate
AMM 52-13-00-820-001	Adjustment of the AFT Passenger/Crew Door
AMM 52-13-18-000-001	Removal of the Door Seal
AMM 52-13-18-400-001	Installation of the Door Seal

3. Fault Confirmation
Subtask 52-13-00-700-054-A

A. Make sure that the identification of the cause of the vibrations is correct (Ref. TSM TASK 05-50-00-810-801).

4. Fault Isolation
Subtask 52-13-00-810-075-A

A. If there are vibrations and/or noise at the aft passenger/crew door area:

Do a check of the cover plate of the passenger/crew door AMM 52-10-00-220-007.
Do an inspection of the seal of the plate assembly and look for cracks, distortion and damage.

(1) If the seal is damaged or missing:

(2) If the fault disappears when pressure differential increases:

For the aft left passenger/crew door (Ref. TSM TASK 52-13-00-810-811).
For the aft right passenger/crew door (Ref. TSM TASK 52-13-00-810-812).

[Rev.8 from Aug 2018] 2026.04.04 04:38:45 UTC