# SDR CALA2015081394214

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 11, 2015
- Submitted: August 13, 2015
- Operation: Air carrier
- Aircraft: [N787UA](https://openairdocs.org/aircraft/N787UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26939
- Aircraft time: 80,358 hours, 11,217 cycles
- Engine: Pwa PW40903
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Discharged
- Location: Cabin
- 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/CALA2015081394214

## Discrepancy

TESTED & FOUND M33407 & M33409 EMER LIGHT STAY ON LESS THAN 15 MINUTES.  REPLACED BOTH EMER LIGHT PACKS.  OPERATIONS CHECKED NORMAL IAW AMM 33-51-06 REV 74.

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