# SDR CALA2026020413555

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 2026
- Submitted: February 4, 2026
- Operation: Air carrier
- Aircraft: [N2737U](https://openairdocs.org/aircraft/N2737U), registered now
- Make and model: Boeing 777-300ER
- Registry model: [Boeing 777-300ER](https://openairdocs.org/model/boeing-777-300er) (OpenAirDocs)
- Aircraft serial: 62647
- Aircraft time: 37,616 hours, 4,055 cycles
- System (JASC): [5240 · Service Doors](https://openairdocs.org/jasc/5240)
- Part: Battery Pack
- Part number: D71701100
- Condition: Discharged
- Location: Zone 800
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026020413555

## Discrepancy

OPERATIONAL TEST FDN R4 DOOR  M33404 BATTERY PACK LOW CAPACITY,  REPLACED R4 DOOR M33404 BATTERY PACK AND C/O OPERATIONAL TEST AS PER AMM 33-51-06-960-802 REV106,THE RESULT WAS NORMAL. RH DOOR 4 M33404 BATTERY PACK LOW CAPACITY. REPLACED AND PERFORMED INSTALLATION TEST, AND THE RESULT WAS NORMAL AS PER AMM33-51-06-960-802 REV 106 SDR WAS CREATED. ELB CLOSED.

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