# SDR QXEA0101513

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 13, 2001
- Submitted: September 17, 2001
- Operation: Air carrier
- Aircraft: N491US
- Make and model: Fokker F.28 MK4000
- Registry model: [Fokker F.28 MK4000](https://openairdocs.org/model/fokker-f-28-mk4000) (OpenAirDocs)
- Aircraft serial: 11156
- Aircraft time: 39,623 hours, 48,773 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 6008905
- Part serial: 1974
- Condition: Inoperative
- Location: Cabin
- Part time: 2,918 cycles
- 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/QXEA0101513

## Discrepancy

PDX - NUMBER 6 CABIN BATTERY PACK IS WEAK.  REMOVED AND REPLACED BATTERY PACK.  OPERATIONAL CHECK IS GOOD.  AIRCRAFT RETURNED TO SERVICE.

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