# SDR CALA2026083119072

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 25, 2026
- Submitted: August 31, 2026
- Operation: Air carrier
- Aircraft: [N27213](https://openairdocs.org/aircraft/N27213), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28773
- Aircraft time: 85,037 hours, 31,530 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Warning Light
- Condition: False Activation
- Location: Zone 800
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026083119072

## Discrepancy

FWD CARGO DOOR LIGHT INSPECTION OF FWD CARGO DOOR. NO FAULTS NOTED. DOOR OPS NORMAL OPEN/CLOSE/LOCKED. OK TO CONTINUE.   REQS DOOR VERIFIED CLOSE BEFORE FLIGHT. DOOR VERIFIED CLOSED AND LOCKED. OK TO CONTINUE.   CHECKED WIRES FROM D10988 PIN 56 TO S960 FWD CARGO DOOR SWITCH. WIRE CHECKED NORMAL.  PSU BITE SHOWS 52-72001,  REF FIM 52-30 TASK 803, WDM 52-71-12. LATCH RECEIVER FOUND TO BE WITHIN LIMITS. PRESSURIZED AND FOUND NO LEAKS IAW AMM 52-71-31-820-801.

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