# SDR 2004UALA00835

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 2004
- Submitted: October 20, 2004
- Operation: Air carrier
- Aircraft: N375UA
- Make and model: Boeing 737322
- Aircraft serial: 24640
- Aircraft time: 42,224 hours, 30,073 cycles
- Engine: Ge CFM56*
- Engine time: 41,564 hours, 28,155 cycles
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Mec
- Part number: 8063215
- Part serial: WYG77015
- Condition: Malfunctioned
- Location: Nr 2
- Part time: 34,899 hours
- Stage of operation: CL
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2004UALA00835

## Discrepancy

RETURNED TO ORD WITH NR 2 ENGINE SURGE.  REPLACED MAIN ENGINE CONTROL (MEC) AND ENGINE RAN NORMAL.  RIGGED THE VSV AND VVB AND TRIMMED.

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