# SDR CALA2021101401860

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2021
- Submitted: October 14, 2021
- Operation: Air carrier
- Aircraft: [N795UA](https://openairdocs.org/aircraft/N795UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26927
- Aircraft time: 99,142 hours, 13,247 cycles
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Battery Pack
- Part number: ADD71701100
- Part serial: 126511
- Condition: None
- Location: M33401 (R3 Door)
- Stage of operation: IN
- How discovered: O
- Nature of condition: Z
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2021101401860

## Discrepancy

DURING DEEP-CYCLE, FOUND R3 DOOR FWD EMERGENCY LT BATTERY PACK M33401 CAN NOT OPERATE FOR A MINIMUM OF 15 MINUTES REF TO HAECO NON-ROUTINE NO. 9459828, SPEC NO. B777-33-3-7019. PERFORMED BY EMP V903686, REPLACED R3 DOOR FWD EMERGENCY LT BATT ERY PACK M33401, PERFORMED INSTALLATION TEST FOUND NORMAL REF AMM 33-51-06-960-802 REV 92A. UPDATE IDT INFO, IDT BY EMP V905446.

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