# SDR NSVA20070114

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2007
- Submitted: January 7, 2008
- Operation: Air carrier
- Aircraft: N277MJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 277
- Aircraft time: 32,098 hours, 35,582 cycles
- Engine: Ge CT79B
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Control Box
- Part number: 8519M3
- Part serial: 271
- Condition: Malfunctioned
- Location: Te Flaps
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NSVA20070114

## Discrepancy

FLAPS ANNUNCIATOR LIGHT ON CWP ILLUMINATES REPEATEDLY IN FLIGHT, GREEN LIGHT ON TEST PANEL 1 ILLUMINATES AND FLAP INDICATOR NEEDLE FLUCTUATES.  SERVICED HYDRAULIC ACCUMULATORS IAW SMM 12-10-29.  PERFORMED VISUAL INSPECTION OF FLAP CONTROL VALVE FLAP ACTUATORS.  NO LEAKS NOTED REQUIRES FURTHER T/S.  VERIFIED FLAP ACTUATORS ARE NOT LEAKING SUSPECT FLAP RIGGING.  FLAP CONTROL BOX IAW SAAB MM 27-51-10, P/N OFF/ON: 8519M3
S/N OFF: 271, S/N ON: 424.  OPERATIONAL CHECK AND RIGGING ARE GOOD IAW SAAB MM 27-51-00.

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