# SDR CALA2026010912833

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 2026
- Submitted: January 9, 2026
- Operation: Air carrier
- Aircraft: [N76010](https://openairdocs.org/aircraft/N76010), registered now
- Make and model: Boeing 777224
- Aircraft serial: 29480
- Aircraft time: 124,203 hours, 12,870 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Condition: Inoperative
- Location: Zone 200
- 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/CALA2026010912833

## Discrepancy

WHEN SET THE EMERGENCY LIGHT SWITCH TO THE ON MODE,FND M33094 POWER PACK CAN NOT STAY ON FOR 15 MINUTES REFER HAECO NON-ROUTIN E LOG PAGE:9492061,ORIGINATED BY EMP:V903529 ORIGINATING CARD:23 -3350-1-0001.  REPLACED M33904 POWER SUPPLY BATTERY AND CARRY OUT OPERATIONAL TEST IAW AMM 33-51-06-960-802 REV.1 06 THE RESULT WAS NORMAL.

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