# SDR CALA2021111002067

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 8, 2021
- Submitted: November 10, 2021
- Operation: Air carrier
- Aircraft: [N787UA](https://openairdocs.org/aircraft/N787UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26939
- Aircraft time: 98,514 hours, 13,268 cycles
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Charger
- Part number: D71702030
- Part serial: 1146
- Condition: Failed
- Location: M33424
- Stage of operation: IN
- How discovered: O
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2021111002067

## Discrepancy

B777-33-3-7015 M33424DR L1 EMER. LIGHTING BATT. PACK CAPACITY FUNCTIONAL TEST FAIL. TRANSFER NON-ROUTINE L/P 9130497 AND ORIGINATED BY V935381 M33424 DR L1 EMER LIGHT POWER SUPPLY AND BATTERY REPLACED AND TESTED NORMAL AS PER AMM 33-51-06 ADD EMP:V896958 M33424 DR L1 EMER LIGHT POWER SUPPLY AND BATTERY REPLACED AND TESTED NORMAL AS PER AMM 33-51-06 ADD EMP:V896958 IDT INSP APPROVED BY HX102640

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