# SDR IPXA2025111453333

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 2025
- Submitted: November 14, 2025
- Operation: Air carrier
- Aircraft: [N174UP](https://openairdocs.org/aircraft/N174UP), registered now
- Make and model: Airbus A300 F4-622R
- Registry model: [Airbus A300 F4-622R](https://openairdocs.org/model/airbus-a300-f4-622r) (OpenAirDocs)
- Aircraft serial: 0869
- Aircraft time: 23,580 hours, 14,129 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: No Test
- 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/IPXA2025111453333

## Discrepancy

CABIN,  SUPERNUMERARY EMERGENCY LIGHT WILL NOT TEST REF PS-1 STEP 24. EMERGENCY LIGHTS OPS CK. OK REVERSED DMP. T/S PER TSM 33-51-00 FIG 106, FOUND CONNECTOR ON P/B SW (25WL) INSTALLED UPSIDE DOWN. INSTALLED SWITCH REF ASM 33-51-00, OPS CK OK. DEFERRAL CLEARED, PLACARD REMOVED.

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