# SDR CALA2024012300199

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2024
- Submitted: January 23, 2024
- Operation: Air carrier
- Aircraft: [N781UA](https://openairdocs.org/aircraft/N781UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26945
- Aircraft time: 100,088 hours, 17,774 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- Condition: No Test
- Location: Emergency Lights
- 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/CALA2024012300199

## Discrepancy

B777-33-3-7019 L3 DR M33400 BATT DEEP-CYC PACK CAPACITY FAIL TRANSFER REF NON - ROUTINE WO.2600244  DR L3 M33400 EMER LT BATT REPLACED AND TESTED NORMAL IAW AMM 33-51-06.

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