# SDR CALA2025021700371

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 15, 2025
- Submitted: February 17, 2025
- Operation: Air carrier
- Aircraft: [N773UA](https://openairdocs.org/aircraft/N773UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26929
- Aircraft time: 106,510 hours, 20,213 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: ADD71701100
- Condition: No Test
- Location: M33096
- 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/CALA2025021700371

## Discrepancy

DR L2 M33096 EMER LIGHT BATTERY TEST FAIL.   DR L2 M33096 EMERG LIGHT BATTERY REPLACED AND CHECK NORMAL IAW A MM 33-51-06.

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