# SDR 20000328SH005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 3, 2000
- Submitted: March 28, 2000
- Operation: General aviation
- Aircraft: N250VC
- Make and model: Gulstm GIV
- Aircraft serial: 1231
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Valve
- Part number: 573801
- Part serial: 453B
- Condition: Loose
- Location: Te Flap
- Part time: 3,648 hours
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/20000328SH005

## Discrepancy

FLAP ACTUATION SLUGGISH WITH ENGINE RUNNING.  WOULD NOT OPERATE USING AUXILIARY SYSTEM.  FOUND FLAP SELECTOR VALVE INTERNAL SPOOL ACCESS CAP HAD NEVER BEEN SAFETIED (NO SAFETY WIRE MARKS ON UNIT) AND HAD BACKED OUT 3 TURNS.  REPLACED SELECTOR VALVE (REPLACEMENT UNIT WAS SAFETIED WITH LEAD SEAL).  OPERATION NORMAL.  (X)

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