# SDR CALA2022060601444

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 6, 2022
- Submitted: June 6, 2022
- Operation: Air carrier
- Aircraft: [N33266](https://openairdocs.org/aircraft/N33266), registered now
- Make and model: Boeing 737824
- Aircraft serial: 32403
- Aircraft time: 66,557 hours, 22,820 cycles
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Epsu
- Part number: D71702001
- Part serial: 17118
- Condition: Failed
- Location: M1675
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2022060601444

## Discrepancy

EMERGENCY POWER SUPPLY (M1675) FAIL. (REF AAR RFD NR 99936092).

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