# SDR CALA2020010600043

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 24, 2019
- Submitted: January 6, 2020
- Operation: Air carrier
- Aircraft: [N78017](https://openairdocs.org/aircraft/N78017), registered now
- Make and model: Boeing 777224
- Aircraft serial: 31679
- Aircraft time: 89,120 hours, 8,540 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Condition: Discharged
- Location: Cabin
- 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/CALA2020010600043

## Discrepancy

B777-33-3-7031 L2 M33099 EMER LIGHT POWER SUPPLY BATTERY CAPACIT Y LOW REF NR LP 9130270 DR L2 M33099 EMER LIGHT POWER SUPPLY BATTERY PACK REPLACED AND T ESTED NORMAL AS PER AMM 33-51-06 INSPECTED, APPROVED

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