# SDR CALA2026060116688

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 29, 2026
- Submitted: June 1, 2026
- Operation: Air carrier
- Aircraft: [N16713](https://openairdocs.org/aircraft/N16713), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28784
- Aircraft time: 81,055 hours, 29,537 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Lamp
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026060116688

## Discrepancy

FLIGHT READINESS CHECKLIST (ADDED BY EC0500-01365) PROCEDURE - EMERGENCY PROXIMITY LIGHTS INOP AT SEATS ROWS 12, 15 AND 21. TROUBLESHOT EMERGENCY LIGHTS SYSTEM PER FIM 33-50 TASK 801. REF WDM 33-51-21-909, ROWS 12, 15 AND 21 ARE POWERED BY BATTERY PACK M1669. REPLACED FUSE ON BATTERY PACK IAW AMM 33-51-96-960-804 AND RELAMPED EMERGENCY PROXIMITY SWITCH IAW AMM 33-51-11-960-801. OP CHECKS NORMAL, OK TO CONTINUE.

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