# SDR QXEA0200802

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2002
- Submitted: May 17, 2002
- Operation: Air carrier
- Aircraft: N499US
- Make and model: Fokker F.28 MK4000
- Registry model: [Fokker F.28 MK4000](https://openairdocs.org/model/fokker-f-28-mk4000) (OpenAirDocs)
- Aircraft serial: 11182
- Aircraft time: 41,772 hours, 51,750 cycles
- System (JASC): [4960 · APU Controls](https://openairdocs.org/jasc/4960)
- Part: Control Box
- Part number: 434897
- Part serial: 1275
- Condition: Malfunctioned
- Location: Apu
- Part time: 109,663 hours, 110,386 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: A, B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA0200802

## Discrepancy

BOI- TOWER REPORTED PUFF OF SMOKE AND SMALL AMOUNT OF FLAME FROM AREA OF NR 2 ENGINE FOLLOWING TOUCHDOWN.  NO ABNORMAL INDICATIONS ON ENGINE INSTRUMENTS OR APU.  REMOVED AND REPLACED START AND OVERSPEED CONTROL BOX.  OPERATIONAL CHECKS GOOD.  AIRCRAFT RETURNED TO SERVICE.

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