# SDR Q2SA704002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2010
- Submitted: April 16, 2010
- Operation: Air carrier
- Aircraft: N704SA
- Make and model: Boeing 747-2B5F
- Registry model: [Boeing 747-2B5F](https://openairdocs.org/model/boeing-747-2b5f) (OpenAirDocs)
- Aircraft serial: 24195
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Unknown
- Condition: Malfunctioned
- Location: Bleed Air Sys
- Stage of operation: CR
- How discovered: O
- Nature of condition: R
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/Q2SA704002

## Discrepancy

AT CRUISE, NUMBER 4 ENGINE WOULD NOT ACCELERATE; ACCOMPLISHED QRH PROCEDURE:  ABNORMAL ENGINE RESPONSE TO THROTTLE SETTING.  ACCOMPLISHED PNEUMATIC MANIFOLD INSPECTION OF NUMBER 4 ENGINE.  ALL CHECKS NORMAL PER AMM 36-11-01.  ITEM TRANSFERRED TO DI 21818 PER MEL 36-5-01, CAT C (PYLON VALVE INOP).

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