# SDR DALA2026090204943

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 28, 2026
- Submitted: September 2, 2026
- Operation: Air carrier
- Aircraft: [N367NW](https://openairdocs.org/aircraft/N367NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 988
- Aircraft time: 79,298 hours, 37,619 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 5293
- Condition: Faulty
- Location: Zone 200
- Part time: 65,863 hours, 37,598 cycles
- 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/DALA2026090204943

## Discrepancy

WHILE REPLACING EMERGENCY LIGHTING BATTERY PACKS WORKCARD 3351- 2991,  FOUND RT EMERGENCY EPSU UNIT FAULTY DURING TEST FROM TEST BUTTON ON THE UNIT & PTP (110RH) AT LOCATION EXIT DOOR 606 (EMERGENCY).  R & R EPSU UNIT IAW AMM 33-51. OPS CHCKD GOOD. NO FURTHER DEFECTS NOTICE AT THIS TIME. ACFT OK FOR SVC. (LP: 9570231, AIRCRAFT WAS GROUNDED)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
