# SDR CALA2021071401089

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 12, 2021
- Submitted: July 14, 2021
- Operation: Air carrier
- Aircraft: [N76010](https://openairdocs.org/aircraft/N76010), registered now
- Make and model: Boeing 777224
- Aircraft serial: 29480
- Aircraft time: 105,585 hours, 10,667 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: D71701100
- Part serial: 220456
- 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/CALA2021071401089

## Discrepancy

EMERGENCY POWER SUPPLY M33401 BATTERY FOUND MALFUNCTION, EMERGENCY LIG HT POWER SUPPLY M33401 BATTERY PACK REPLACED AND OPERATIONAL TES T CARRIED OUT FOUND NORMAL, AS PER AMM 33-51-06-960-802 REV 92.

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