# SDR CALA2018101902136

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 17, 2018
- Submitted: October 20, 2018
- Operation: Air carrier
- Aircraft: [N77022](https://openairdocs.org/aircraft/N77022), registered now
- Make and model: Boeing 777224
- Aircraft serial: 39777
- Aircraft time: 42,679 hours, 3,834 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: D71701100
- 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/CALA2018101902136

## Discrepancy

DOOR L4 EMER LIGHT POWER SUPPLY M33407 BATTERY CAPACITY LOW DOOR L4. EMER LIGHT POWER SUPPLY M33407 BATTERY PACK REPLACED AND TESTED NORMAL AS PER AMM 33-51-06 AND ATTACHED FORM 44.0008 ITEM 1-2 ACCOMPLISHED.

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