# SDR AALA202112063119

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 11, 2021
- Submitted: December 6, 2021
- Operation: Air carrier
- Aircraft: [N157AA](https://openairdocs.org/aircraft/N157AA), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6998
- Aircraft time: 16,461 hours, 6,343 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Damper
- Part number: FE240006
- Part serial: RFM28170
- Condition: Failed
- Location: Zone 800 - Doors
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202112063119

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: PASSENGER / CREW DOOR 841 DAMPER AND EMERGENCY OPERATION CYLINDER / DAMPER DOES NOT PASS THE OPERATIONAL TEST OF THE DAMPING FUNCTION. REPLACED  DAMPER AND EMERGENCY OPERATION CYLINDER / DAMPER AND ACCOMPLISHED A SATISFACTORY OPERATIONAL TEST PER AMM 52-11-14-400-001-B AND 52-10-00-710-001-D.

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