# SDR Q2SA748007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 5, 2009
- Submitted: March 5, 2009
- Operation: Air carrier
- Aircraft: [N748SA](https://openairdocs.org/aircraft/N748SA), registered now
- Make and model: Boeing 747206B
- Aircraft serial: 21110
- Aircraft time: 132,180 hours, 24,582 cycles
- Engine: Ge CF650E2
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 900835A
- Part serial: 78144
- Condition: Discharged
- Location: Emergency Light
- 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/Q2SA748007

## Discrepancy

DURING PRE-FLIGHT FROM KMIA, FOUND FORWARD AND AFT UPPER DECK EMERGENCY EXIT SIGNS INOPERATIVE.  REMOVED AND REPLACED BATTERY PACKS IN ACCORDANCE WITH AMM 33-51-04.

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