# SDR CALA2025051504683

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 13, 2025
- Submitted: May 15, 2025
- Operation: Air carrier
- Aircraft: [N78448](https://openairdocs.org/aircraft/N78448), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 40003
- Aircraft time: 41,519 hours, 15,176 cycles
- System (JASC): [5200 · Doors](https://openairdocs.org/jasc/5200)
- Part: Warning Light
- Condition: Illuminated
- Location: Psu
- 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/CALA2025051504683

## Discrepancy

PSEU LITE ILLUMINATED AFTER LANDING PERFORMED PSEU BITE PROCEDURE. 32-09 TASK 801. FOUND FAULT MESSAGE LOW SW DISAGREE. MTX MESSAGE 52-72020. OVERWING EXIT DOOR SW DISAGREEMENT PROBLEM. REF FIM TASK 52-20 TASK 805 FOR FURTHER TROUBLESHOOTING. THERES NO HISTORY ON THE OVERWING DOOR AND THEN PERFORMED OPERATIONAL TEST IN REF TO TASK 32-09-10-740-801 (SELF TEST). TEST PASSED AT THIS TIME.  OK TO RETURN TO SERVICE.

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