# SDR AALA20160520004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2016
- Submitted: May 20, 2016
- Operation: Air carrier
- Aircraft: [N473AA](https://openairdocs.org/aircraft/N473AA), registered now
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49648
- Aircraft time: 79,097 hours, 42,560 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 60030451
- Part serial: 21672
- Condition: Discharged
- Location: Cabin
- Part time: 40,159 hours, 19,326 cycles
- 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/AALA20160520004

## Discrepancy

AIRCRAFT WAS IN BASE MX.  NUMEROUS CEILING MOUNTED EMER LIGHT ARE INOPERATIVE.  R & R EMER LIGHT BATTERY ASSEMBLIES AT LOCATIONS B5-102, B5-104 & B5-106 IAW AMM 33-53-00 401.  ACCOMPLISHED OPERATIONAL CHECK IAW AMM 33-53-00.  SYS CHECKED NORMAL.  SEE ALSO AALA 20160520012 & AALA 20160520013.

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