# SDR CALA2022050401124

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 2, 2022
- Submitted: May 4, 2022
- Operation: Air carrier
- Aircraft: [N75429](https://openairdocs.org/aircraft/N75429), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 30130
- Aircraft time: 42,549 hours, 14,876 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Fuse
- Part number: B21506
- Part serial: NA
- Condition: Failed
- Location: M1670
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2022050401124

## Discrepancy

ROW 23-26 SEAT EMERGENCY LIGHT  INOP. REF TO PEMCO NR 12255.0623 REMOVED AND REPLACED FUSE AT EPSU M1670 IAW B737 AMM 33-51-06-7 50-804 AND WDM 33-51-22. OPS CHECK GOOD. WORK PERFORMED BY P707, INSPECTION Q966, ENTERED BY V927860

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.