# SDR 2007UALA00876

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 2007
- Submitted: April 3, 2007
- Operation: Air carrier
- Aircraft: [N446UA](https://openairdocs.org/aircraft/N446UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 834
- Aircraft time: 30,282 hours, 11,611 cycles
- Engine: Iae V2527A5
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Connector
- Condition: Disconnected
- Location: Emergency Lights
- 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/2007UALA00876

## Discrepancy

INVESTIGATING SMC 003 FAULT.  FOUND BOTH THE LEFT AND RIGHT OVERWING EMERGENCY EXIT EPSU UNIT CONNECTOR DISCONNECTED.  [SUP 06-01-07]  ALL EMERGENCY POWER SUPPLY UNITS WERE CHANGED DURING A REGULARLY SCHEDULED HMV VISIT 2 WEEKS PRIOR. STATION PERFORMING HMV DID NOT PROPERLY CONNECT EPSUS LOCATED AT THE OVERWING EMERGENCY EXITS.

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