# SDR AALA20141204006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2014
- Submitted: December 5, 2014
- Operation: Air carrier
- Aircraft: [N757AN](https://openairdocs.org/aircraft/N757AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 32636
- Aircraft time: 53,506 hours, 6,800 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Battery
- Part number: MX1604
- Condition: Discharged
- Location: L4 Door
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20141204006

## Discrepancy

DURING A CHECK, DOOR 4L EMER POWER ASSIST SYS LIGHT WAS NOT FLASHING.  R & R 4L BATTERY IAW AMM 52-11-20. SYS CHECKED NORMAL.

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