# SDR CALA2023061201820

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 10, 2023
- Submitted: June 12, 2023
- Operation: Air carrier
- Aircraft: [N78013](https://openairdocs.org/aircraft/N78013), registered now
- Make and model: Boeing 777224
- Aircraft serial: 29861
- Aircraft time: 111,035 hours, 11,471 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Beacon
- Part number: D71701100
- Condition: Failed
- Location: M33405
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023061201820

## Discrepancy

SUPPORT TASK - LH DR NO.3 AFT IDENTIFIER EXIT LT FOUND DIM (M33405). TRANSFER REF NON - ROUTINE WO.1885486 AND ORIG BY V897792 L3 DR O/H PNL M33405 EMER BATT PACK REPLACED AND TESTED NORMAL AS PER AMM33-51-06 AND AMM33-51-00 WORK ACCOMP BY MECH V897819 AND INSP BY V896951 IDT APPROVED BY HX195273

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