# SDR IPXA2025052569566

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2025
- Submitted: May 28, 2025
- Operation: Air carrier
- Aircraft: [N278UP](https://openairdocs.org/aircraft/N278UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48577
- Aircraft time: 79,773 hours, 17,045 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 6044116
- Part serial: 0342
- Condition: Inoperative
- Location: Zone 200
- 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/IPXA2025052569566

## Discrepancy

EMER LT BAT 1 LO MSG ON TEST. REVERSED DMP. REMOVED AND REPLACED L EMERGENCY POWER SUPPLY BATTERY PER AMM 33-51-01/401. OPS CHECKS GOOD. PLACARD REMOVED AC OK TO CONTINUE SERVICE.

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