# SDR QXEA2021043000204

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 30, 2021
- Submitted: April 30, 2021
- Operation: Air carrier
- Aircraft: N403QX
- Make and model: Bombdr DHC8402
- Aircraft serial: 4037
- Aircraft time: 45,403 hours, 48,253 cycles
- System (JASC): [4960 · APU Controls](https://openairdocs.org/jasc/4960)
- Part: Exhaust Duct
- Condition: Fire
- Location: Apu
- Stage of operation: TX
- How discovered: O
- Nature of condition: A
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA2021043000204

## Discrepancy

RAMP REPORTED APU HAD A FLAME EXTEND FROM EXHAUST. REMOVED FROM SERVICE. PERFORMED OPS TEST OF APU PER Q400 AMM 49-00-00-710-801. OPS TEST GOOD. NO  FURTHER DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

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