# SDR CALA2020053101000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 28, 2020
- Submitted: May 31, 2020
- Operation: Air carrier
- Aircraft: [N2142U](https://openairdocs.org/aircraft/N2142U), registered now
- Make and model: Boeing 777-300ER
- Registry model: [Boeing 777-300ER](https://openairdocs.org/model/boeing-777-300er) (OpenAirDocs)
- Aircraft serial: 63722
- Aircraft time: 12,685 hours, 1,191 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: ADD71701100
- Condition: Discharged
- Location: R1door
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2020053101000

## Discrepancy

THE LT DOOR 1 EMERGENCY LIGHT BATTERY M33093 CAPACITY IS LOW REF ER NON-ROUTINE NR 9413719.  SPEC NR B7 77-33-3-7019.

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