# SDR CALA2018060531378

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 29, 2018
- Submitted: June 5, 2018
- Operation: Air carrier
- Aircraft: [N788UA](https://openairdocs.org/aircraft/N788UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26942
- Aircraft time: 92,515 hours, 12,376 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: ADD71701100
- Condition: Discharged
- 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/CALA2018060531378

## Discrepancy

FOUND THE EMERGENCY POWER SUPPLY M33096 WITH LOW CAPACITY.  REPLACED EMERGENCY POWER SUPPLY,  OPS TESTED NORMAL IAW AMM 33-51-06-960-802, REV 82, & AMM 33-51-06-960-802 S/T 710-002, REV 82.

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