# SDR Q2SA708001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 2008
- Submitted: April 9, 2008
- Operation: Air carrier
- Aircraft: [N708SA](https://openairdocs.org/aircraft/N708SA), registered now
- Make and model: Boeing 747-2B5F
- Registry model: [Boeing 747-2B5F](https://openairdocs.org/model/boeing-747-2b5f) (OpenAirDocs)
- Aircraft serial: 24196
- Aircraft time: 87,290 hours, 14,616 cycles
- Engine: Pwa JT9D7R4G2
- Engine time: 61,943 hours, 11,355 cycles
- System (JASC): [7322 · Fuel Control/Reciprocating Engines](https://openairdocs.org/jasc/7322)
- Part: Fuel Control
- Part number: 7788004
- Part serial: F8189
- Condition: Malfunctioned
- Location: Nr 4 Engine
- Part time: 87,406 hours, 14,635 cycles
- 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/Q2SA708001

## Discrepancy

ATB AT ANC DUE TO ENGINE PROBLEM.  NR 4 ENGINE STALLED DURING CLIMB AT 33,600 FT.  REDUCED THRUST TO IDLE.  IDLE PARAMETERS N1 37 PERCENT, N2 61 PERCENT, EPR ERRATIC, EGT 483, FF 800.  ALL BLEEDS ON, 2 AIR CONDITIONING PACKS ON.  2 AIR CONDITIONING PACKS ON. REMOVED/REPLACED FUEL CONTROL PER AMM 73-12-10. ALSO REMOVED/REPLACED NR 4 ENGINE VANE AND BLEED CONTROL (EVBC) PER AMM 75-31-09. LEAK CHECK AND ENGINE TRIM SUCCESSFULLY ACCOMPLISHED.

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