# SDR CALA2026061517099

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 2026
- Submitted: June 15, 2026
- Operation: Air carrier
- Aircraft: [N206UA](https://openairdocs.org/aircraft/N206UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30212
- Aircraft time: 108,338 hours, 14,126 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Condition: Faulted
- 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/CALA2026061517099

## Discrepancy

CB POPPED L1 EMERGENCY LIGHTS M33424 EMERGENCY LIGHTS POWER SUPPLY SUSPECTED TO BE AT FAULT. POWER SUPPLY TO REPLACED IAW 33-51-06-960-803. EMERGENCY LIGHTS OPS TEST ACCOMPLISHED. ALL OPS NOW OK. IAW AMM 33-51-00-710-801.

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