# SDR CALA2026041515390

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2026
- Submitted: April 15, 2026
- Operation: Air carrier
- Aircraft: [N77543](https://openairdocs.org/aircraft/N77543), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 64474
- Aircraft time: 11,786 hours, 3,920 cycles
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Wire
- Condition: Damaged
- Location: Sign
- Component: Sign
- Component part number: 7024091001FS
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026041515390

## Discrepancy

DISCOVERED A WIRE  HANGING OUT AND EMER EXIT LT SIGNS AT 2R NOT WORKING PICTURE FOR UPDATE BROKEN GROUND WIRE BEHIND THE PANEL.  WDM 33-51-22-4. FOR LIGHT CONNECTION. FLAGGING THIS ITEM AS A SDR. AFT GALLEY DOOR 402 OPEN & ACCESS PANEL REMOVED (WASTE COMPARTMENT INSTALLATION) IPL 25-32-12. PANEL WITH SCREWS LEFT NEAR ACCESS DOOR.   WIRE BROKE AT SPLICE CONNECTOR WIRE BROKE ON LIGHT ASSEMBLY SIDE. REMOVED AND REPLACED EXIT LIGHT ASSEMBLY REF AMM 33-51-01-960-802. OPS CHECK GOOD. REINSTALLED ACCESS PANEL WASTE COMPARTMENT INSTALLATION IPL 25-32-12

---
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.