# SDR CALA2024081302201

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 13, 2024
- Submitted: August 13, 2024
- Operation: Air carrier
- Aircraft: [N76021](https://openairdocs.org/aircraft/N76021), registered now
- Make and model: Boeing 777224
- Aircraft serial: 39776
- Aircraft time: 62,247 hours, 6,188 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: D71701100
- Part serial: 73861
- Condition: Failed
- 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/CALA2024081302201

## Discrepancy

B777-33-3-7019 - CABIN - DOOR R3 EMER LT BATTERY PACK M33401 CAPACITY CHECK FAIL.  WORK TRANSFER NON ROUTINE WO.3551474 AND  ORIGINATED BY EMP V920592. CABIN - DOOR R3 EMER LT BATTERY RACK M33401 REPLACED AND INSTALLATION TEST CARRIED OUT WITH NORMAL RESULT AS PER AMM 33-51-06.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.