Vibrations and Noise at the Emergency Exit Hatches

TASK 52-21-00-810-810-A
Vibrations and Noise at the Emergency Exit Hatches

1. Possible Causes

hatch seal
filler panels

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
AMM 52-21-00-200-002	Inspection of the Emergency Exit Hatch Mechanism
AMM 52-21-00-220-801	Detailed Inspection of the Emergency Exit Hatch-Frame (Internal)
AMM 52-21-00-440-801	Repair of the Filler Panels of the Emergency Exit Hatch-Frame
AMM 52-21-11-400-001	Installation of the Emergency Exit Hatch
AMM 52-21-18-300-001	Repair of the Seal at the Emergency Exit Hatches
AMM 52-21-18-960-003	Replacement of the Hatch Seal

3. Fault Confirmation
Subtask 52-21-00-710-067-A ** ON A/C NOT FOR ALL

A. Test
(1) 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 52-21-00-810-061-A ** ON A/C NOT FOR ALL

A. If there are vibrations and/or noise at the emergency-exit hatch area:
(1) Do a detailed inspection of the hatch frame AMM 52-21-00-220-801.
(2) Make sure that the hatch seal is in the correct position AMM 52-21-11-400-001
(3) Do an inspection of the hatch seal and look for cracks, distortion and damage AMM 52-21-00-200-002.
(4) If the hatch seal is damaged, repair the hatch seal AMM 52-21-18-300-001
(5) If the hatch seal is missing, install a new hatch seal AMM 52-21-18-960-003.
(6) If the filler panels are damaged, restore them AMM 52-21-00-440-801.

[Rev.8 from Aug 2018] 2026.04.04 04:34:49 UTC