# SDR USAASB00249

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 2000
- Submitted: November 8, 2000
- Operation: Air carrier
- Aircraft: [N413US](https://openairdocs.org/aircraft/N413US), registered now
- Make and model: Boeing 737401
- Aircraft serial: 23882
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Wire
- Condition: Broken
- Location: Transmitter
- Stage of operation: AP
- How discovered: O
- Nature of condition: F
- Precautionary procedure: L
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAASB00249

## Discrepancy

CLT - FLT 1620 - ON FINAL APPROACH, AT FL030, A FLAP ASYMMETRY OCCURRED.  AS CREW EXTENDED FLAPS FROM 5 TO 10 DEGREES, RIGHT FLAP NEEDLE WENT OT 10 DEGREES AND LEFT FLAP NEEDLE REMAINED AT 5 DEGREES.  CREW TRIED TO BRING FLAPS UP BUT THEY WOULD NOT RETRACT.  CREW EXECUTED A GO-AROUND, ACCOMPLISHED QUICK REF HANDBOOK PROCEDURES AND DECLARED AN EMERGENCY.  FLIGHT LANDED WITHOUT FURTHER INCIDENT.  MAINTENANCE REPAIRED BROKEN WIRES AT PINS 1 AND 2 OF THE RIGHT WING FLAP POSITION TRANSMITTER.  OPERATIONAL CHECK GOOD.  (M)

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