# SDR CALA2018012600348

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2018
- Submitted: January 27, 2018
- Operation: Air carrier
- Aircraft: [N432UA](https://openairdocs.org/aircraft/N432UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 587
- Aircraft time: 72,707 hours, 28,066 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Warning Message
- Condition: False Activation
- Location: Power Supply
- Stage of operation: IN
- How discovered: C
- Nature of condition: L, N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2018012600348

## Discrepancy

AFTER EMERGENCY LIGHT TEST, A MESSAGE FOR THE EPSU EXTERNAL LOAD,  FWD LEFT DISPLAYED ON PTP.  SHUTDOWN. EMERGENCY LIGHT OPS TESTED IAW 33-51-00-710-001- A.   TESTED OK.

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