# SDR AALA20170125016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 24, 2017
- Submitted: January 25, 2017
- Operation: Air carrier
- Aircraft: [N787AL](https://openairdocs.org/aircraft/N787AL), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30010
- Aircraft time: 69,512 hours, 8,262 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Battery
- Part number: MN1604
- Condition: Discharged
- Location: L2 Door
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20170125016

## Discrepancy

AIRCRAFT WAS NOT GROUNDED. L2 DOOR EMERGENCY POWER ASSIST SYSTEM BATTERY IS INOPERATIVE. REMOVED AND REPLACED 9V DC BATTERIES IAW AMM 52-12-19. OPERATIONAL CHECK GOOD.

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