# SDR SWAA2025071490353

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 10, 2025
- Submitted: July 14, 2025
- Operation: Air carrier
- Aircraft: [N455WN](https://openairdocs.org/aircraft/N455WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32462
- Aircraft time: 69,398 hours, 41,464 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Switch
- Condition: Out Of Adjust
- Location: Zone 200
- Stage of operation: AP
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025071490353

## Discrepancy

DURING DESCENT; LEFT OVERWING LIGHT. FLIGHT DIRECTORS BLANKED ON APPROACH; PSEU LIGHT ON LANDING ROLL OUT.   FOR LEFT OVERWING LIGHT AND PSEU LIGHT ON LANDING ROLL OUT; PERFORMED PSEU BITE TEST. FOUND FAULTS 52-72020 AND 52-72010. PERFORMED FIM TASKS 52-20 #802 AND 805. FOUND LH OVERWING EMERGENCY EXIT INDICATION SWITCH A (S1104) OUT OF ADJUSTMENT. ADJUSTED LH OVERWING EMERGENCY EXIT INDICATION SWITCH A (S1104) REF. AMM 52-71-22. OPS CHECK OK. FOR FLIGHT DIRECTOR DEFECT REFERENCE MAINTENIX ID# TTG8Q013NFX5.

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