# SDR CALA2026101620430

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 15, 2026
- Submitted: October 16, 2026
- Operation: Air carrier
- Aircraft: [N222UA](https://openairdocs.org/aircraft/N222UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30553
- Aircraft time: 93,136 hours, 12,505 cycles
- Engine: Pwa PW4090
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: ADD71701100
- Condition: No Test
- 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/CALA2026101620430

## Discrepancy

DOOR 4R M33409 EMER LT BATTERY TEST FAIL.  EMERGENCY LIGHT BATTERY REPLACED AND TESTED NORMAL IAW AMM33-51-06.

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