# SDR AALA202111168005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 2021
- Submitted: November 16, 2021
- Operation: Air carrier
- Aircraft: [N809AA](https://openairdocs.org/aircraft/N809AA), registered now
- Make and model: Boeing 787-8
- Registry model: [Boeing 787-8](https://openairdocs.org/model/boeing-787-8) (OpenAirDocs)
- Aircraft serial: 40627
- Aircraft time: 22,448 hours, 2,920 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Module
- Part number: 302900201
- Part serial: 03630
- Condition: Fault Message
- Location: Zone 800 - Doors
- Part time: 21,091 hours, 2,684 cycles
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202111168005

## Discrepancy

AIRCRAFT WAS GROUNDED: DOOR EMERGENCY POWER ASSIST SYSTEM SENSORS 1L STATUS MESSAGE. REMOVED AND REPLACED L1 EMERGENCY POWER ASSIST SYSTEM MODULE PER B787-A-52-10-F2-89A-421A-A. REMOVED AND REPLACED 1L DOOR ASSIST EMERGENCY POWER ASSIST SYSTEM BOTTLE (AALA202111161978) PER B787-A-52-11-22-00A-720A-A.

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