# SDR UALA2013012900528

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 25, 2013
- Submitted: February 14, 2013
- Operation: Air carrier
- Aircraft: N535UA
- Make and model: Boeing 757222
- Aircraft serial: 25130
- Aircraft time: 71,496 hours, 26,291 cycles
- Engine: Pwa PW2037
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Oil Consumption
- Location: Nr 2
- 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/UALA2013012900528

## Discrepancy

EXCESSIVE OIL CONSUMPTION FOR THE NR 2 ENGINE .  REPLACED THE FUEL COOLED OIL COOLER IAW AMM AND THE FCOC BYPASS VALVE IAW AMM.  REMOVED AND REPLACED FUEL OIL HEAT EXCHANGER AND BYPASS VALVE.

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