# SDR SWAA2021112345861

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 18, 2021
- Submitted: November 23, 2021
- Operation: Air carrier
- Aircraft: N780SW
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27885
- Aircraft time: 68,861 hours, 40,837 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Fuse
- Condition: Inoperative
- Location: Cabin
- Stage of operation: UK
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021112345861

## Discrepancy

RIGHT HAND AFT EXIT IDENTIFIER IS OUT ; / [01] REPLACED FUSE AT EMERGENCY EXIT POWER SUPPLY M1669 AND PERFORMED GOOD INSTALLATION TEST AS PER AMM. 33-51-06-960-804 AND WDM. 33-51-21; [02] VERIFIED REPLACED FUSE AT EMERGENCY EXIT POWER SUPPLY M1669 AND PERFORMED GOOD INSTALLATION TEST AS PER AMM. 33-51-06-960-804 AND WDM. 33-51-21; [03] VERIFIED CORRECTIVE ACTION ENTRIES 1. AND 2.; [04] COMPLETED STEP 1. (INSTALLATION RETURN AIR GRILLE); [05] VERIFIED CORRECTIVE ACTION ENTRY 4. COMPLETE

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.