# SDR CALA2023032200832

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2023
- Submitted: March 22, 2023
- Operation: Air carrier
- Aircraft: [N56859](https://openairdocs.org/aircraft/N56859), registered now
- Make and model: Boeing 757*
- Aircraft serial: 32818
- Aircraft time: 54,028 hours, 17,167 cycles
- System (JASC): [3310 · Flight Compartment Lighting](https://openairdocs.org/jasc/3310)
- Part: Fuse
- Part number: B21506
- Condition: Open
- Location: R4
- Stage of operation: IN
- How discovered: O
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023032200832

## Discrepancy

R4 EXTERIOR EMERGENCY LIGHT INOP REPLACED 2 FUSES IN POWER SUPPLY M0078 AND OPS CHECK FOR R4 EXTERIOR EMERGENCY LIGHT IS GOOD REF B757 AMM 33-51-02.

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