# SDR CALA2018060531348

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2018
- Submitted: June 5, 2018
- Operation: Air carrier
- Aircraft: [N77019](https://openairdocs.org/aircraft/N77019), registered now
- Make and model: Boeing 777224
- Aircraft serial: 35547
- Aircraft time: 58,607 hours, 5,222 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- Part serial: 215815
- Condition: No Test
- Location: Emergency Lights
- 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/CALA2018060531348

## Discrepancy

R4 DOOR EMERGENCY POWER SUPPLY M33408, BATTERY PACK CAPACITY CHECK FAILED.  THE BATTERY PACK WAS REPLACED AND TESTED NORMAL IAW AMM 33-51-06.

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