# SDR CALA2014081391972

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2014
- Submitted: August 13, 2014
- Operation: Air carrier
- Aircraft: N545UA
- Make and model: Boeing 757222
- Aircraft serial: 25323
- Aircraft time: 85,183 hours, 24,431 cycles
- Engine: Pwa PW2040
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Condition: Faulty
- Location: Apu Bay
- Stage of operation: TX
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2014081391972

## Discrepancy

APU HAD SHUTDOWN, FAULT LIGHT ILLUMINATED & EICAS MSG APU FAULT DISPLAYED.  ADDED 6 QTS OIL, RAN APU, HAD AUTO SHUTDOWN WITHIN 4 MINUTES WITH HEAVY WHITE SMOKE COMING OUT OF THE TAIL PIPE.  OIL TANK WAS EMPTY WHEN CHECKED AFTER SHUTDOWN.  OIL DRIPPING FROM BOTTOM OF APU & OUT OF HEAT SHIELD DRAIN TUBE AFTER SHUTDOWN.  REPLACED APU IAW 49-11-01.

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