# SDR CALA2019032500461

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2019
- Submitted: March 25, 2019
- Operation: Air carrier
- Aircraft: [N229UA](https://openairdocs.org/aircraft/N229UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30557
- Aircraft time: 73,580 hours, 8,611 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: ADD71701100
- Condition: Discharged
- Location: L3 Door
- 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/CALA2019032500461

## Discrepancy

DATA TRANSFER REF NON-ROUTINE NR :V905483 - SPEC NR B777-33-3-7019 OPERATION CHECK FOUND L3 DOOR AREA EMERGENCY LIGHT PARTIAL INOP. THE L3 DM33400 BATTERY WAS REPLACED AND CARRY OUT TEST FOUND ''NORMAL'' REF AMM 33-51-06-960-802 REV85 PN ON AD-D717-01-100 SN ON 219234, PN OFF AD-D717-01-100 SN OFF 98113.

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