# SDR CALA2019072401225

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 18, 2019
- Submitted: July 24, 2019
- Operation: Air carrier
- Aircraft: [N220UA](https://openairdocs.org/aircraft/N220UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30223
- Aircraft time: 77,816 hours, 9,165 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Condition: Malfunctioned
- Location: Cabin
- 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/CALA2019072401225

## Discrepancy

REPLACE THE EMERGENCY LIGHT POWER SUPPLY BATTERY PACK ON M33409 REF NON-ROUTINE NR 9483397 -, SPEC NR B777-33-3-7019. REPLACED THE BATTERY PACK ON POWER SUPPLY M33409 & POWER SUPPLY BATTERY PACK CAPACITY CHK FOUND ''NORMAL'' AS PER AMM 33-51-06-960 -802 REV.86 & AMM 33-51-06-200-801 REV.86.

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