# SDR YENA2026041000390

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2026
- Submitted: April 10, 2026
- Operation: Air carrier
- Aircraft: [N612JB](https://openairdocs.org/aircraft/N612JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 02447
- Aircraft time: 77,223 hours, 27,804 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Switch
- Condition: Intermittent
- Location: Zone 200
- 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/YENA2026041000390

## Discrepancy

FLT#1389, GCM-GCM. "CREW REPORTS EMERGENCY LIGHTS INOP. LIGHTS COME ON AND WILL NOT TURN OFF AFTER ENGINE START ( INTERIOR AND EXTERIOR EMERGENCY LIGHTING SYSTEMS (WITHOUT PASSENGERS) ); REF TSM 33-51-00-810-881-A ACCOMPLISHED WIRING CHECK FOR GND WIRE FROM 2423 VC TO GND BLOCK 2431VC. NO FAULTS FOUND. ACCOMPLISHED OPS CHECK OF EMERGENCY LT SWITCH FOUND SWITCH INTERMITTANT IN ARM POSITION. REPLACED SWITCH 4WL / RELAY 8WL .OPS CHECK OF EMERGENCY LTS GOOD. MDDR CLEARED MX-4 UPDATED PLACARD REMOVED. REF AMM 33-51-00. ESPM 20-45-20."

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