Vibrations and Noise in the FWD Passenger/Crew Door Area
TASK 52-11-00-810-826-A
Vibrations and Noise in the FWD Passenger/Crew Door Area
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 52-11-00-700-054-A
Subtask 52-11-00-810-075-A
[Rev.8 from Aug 2018]
2026.04.04 04:38:44 UTC
Vibrations and Noise in the FWD Passenger/Crew Door Area
1. Possible Causes
- cover plate
- seal
- OUTFLOW VALVE [10HL]
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 21-31-00-810-807-A | Outflow Valve Fault (05), (11), (24), (25), (26), (29), (60) |
| TSM TASK 52-11-00-810-811-A | Seal of the L FWD Passenger/Crew Door Defective |
| TSM TASK 52-11-00-810-812-A | Seal of the R FWD Passenger/Crew Door Defective |
| AMM 52-10-00-220-007 | Check of the Preload of the Cover Plate |
| AMM 52-11-00-820-001 | Adjustment of the FWD Passenger/Crew Door |
| AMM 52-11-18-000-001 | Removal of the Door Seal |
| AMM 52-11-18-400-001 | Installation of the Door Seal |
Subtask 52-11-00-700-054-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 IsolationSubtask 52-11-00-810-075-A
A. If there are vibrations and/or noise at one passenger/crew door:
- 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.
- Replace the seal AMM 52-11-18-000-001 and AMM 52-11-18-400-001.
- Do the trouble shooting procedure of the OUTFLOW VALVE [10HL] (Ref. TSM TASK 21-31-00-810-807).
- Do the trouble shooting procedure of the related seal :
For the FWD left passenger/crew door (Ref. TSM TASK 52-11-00-810-811).
For the FWD right passenger/crew door (Ref. TSM TASK 52-11-00-810-812). - Do the adjustment of the FWD passenger/crew door AMM 52-11-00-820-001 or
- Do the trouble shooting procedure of the related seal :
For the FWD left passenger/crew door (Ref. TSM TASK 52-11-00-810-811).
For the FWD right passenger/crew door (Ref. TSM TASK 52-11-00-810-812). - Do the adjustment of the FWD passenger/crew door AMM 52-11-00-820-001.