# SDR QXEA0101599

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2001
- Submitted: October 1, 2001
- Operation: Air carrier
- Aircraft: N493US
- Make and model: Fokker F.28 MK4000
- Registry model: [Fokker F.28 MK4000](https://openairdocs.org/model/fokker-f-28-mk4000) (OpenAirDocs)
- Aircraft serial: 11161
- Aircraft time: 43,091 hours, 53,211 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 6008903
- Part serial: 2363
- Condition: Discharged
- Location: Cargo Bay
- Part time: 10,485 hours, 10,485 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/QXEA0101599

## Discrepancy

PDX - AFT EXTERIOR FAIRING EMERGENCY LIGHTS DID NOT ILLUMINATE. REMOVED AND REPLACED AFT CARGO BATTERY POWER SUPPLY UNIT FOR EVACUATION LIGHTS. OPERATIONAL CHECK IS GOOD. AIRCRAFT RETURNED TO SERVICE.

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