# SDR DL757990779

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 10, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N648DL
- Make and model: Boeing 757232
- Aircraft serial: 24372
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Valve
- Part number: 340545
- Condition: Failed
- Location: Te Flaps
- Stage of operation: LD
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL757990779

## Discrepancy

DURING APPROACH WITH FLAPS AT 1 DEG, THE /LE SLAT ASYM/EICAS MSG AND WARNING LIGHT ABOVE FLAP GAUGE CAME ON.  ACCOMPLISHED CHECKLIST IN ATTEMPT TO ELECTRICALLY DRIVE FLAPS TO 20 DEG, BUT NOTHING CHANGED FROM THE 1 DEG POSITION.  FLT DIVERTED TO JFK.  REPLACED TRAILING EDGE BYPASS VALVE.

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