# SDR CALA2015022700134

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 27, 2015
- Submitted: February 27, 2015
- Operation: Air carrier
- Aircraft: [N77006](https://openairdocs.org/aircraft/N77006), registered now
- Make and model: Boeing 777224
- Aircraft serial: 29476
- Aircraft time: 80,317 hours, 8,195 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Condition: Smoke
- Location: Apu Bay
- Stage of operation: TX
- How discovered: O
- Nature of condition: B, J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2015022700134

## Discrepancy

AFTER ENG START ON TAXI OUT, VISIBLE SMOKE APPEARED & STRONG OIL ODOR.  CREW REST SMOKE DETECTOR ACTIVATED.  VERIFIED APU TO BE THE SOURCE OF SMOKE & ODOR.  BOTH AIR COND PACKS, ALL COMPONENTS & PNEUMATIC DUCTS INSP, NO OIL CONTAMINATION FOUND.  UPPER & LOWER RECIRC FILTERS REPLACED.  BOTH ENG & PACKS OPERATED FOR 3 HRS, ODOR DISSIPATED GRADUALLY IAW AMM 71-00-00 & AMM 05-51-58-800-801C3.

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