# SDR CALA2021112902189

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 28, 2021
- Submitted: November 29, 2021
- Operation: Air carrier
- Aircraft: [N228UA](https://openairdocs.org/aircraft/N228UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30556
- Aircraft time: 78,397 hours, 9,231 cycles
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Battery Pack
- Part number: ADD71701100
- Part serial: 129595
- Condition: None
- Location: M33405
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2021112902189

## Discrepancy

DOOR 3L EMERGENCY LIGHT POWER SUPPLY M33405 BATTERY NO OUTPUT, REFER HAECO NON-ROUTINE NO.9465867, ORIGINATED BY EMP V905307, SPEC NO.B777-33-3-7015.

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