# SDR AWXA200100525

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2001
- Submitted: October 17, 2001
- Operation: Air carrier
- Aircraft: [N509DC](https://openairdocs.org/aircraft/N509DC), registered now
- Make and model: Boeing 737-33A
- Registry model: [Boeing 737-33A](https://openairdocs.org/model/boeing-737-33a) (OpenAirDocs)
- Aircraft serial: 23636
- Aircraft time: 45,264 hours, 30,027 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Transmitter
- Part number: 1817389
- Part serial: 328
- Condition: Arced
- Location: T/E Flap
- Part time: 45,264 hours, 30,027 cycles
- Stage of operation: AP
- How discovered: O
- Nature of condition: F, J
- Precautionary procedure: L
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AWXA200100525

## Discrepancy

ON APPROACH T/E FLAPS LOCKED OUT AT 5 UNITS, APPROACH WAS ABORTED.  CREW FOLLOWED QRH CHECKLIST.  ON RETURN FLAP POS INDICATOR NEEDLES MARRIED UP, CREW SELECTED FLAPS 10 & DOWN TO 30, PERFORMED NORMAL LANDING.  MX PERFORMED T/E FLAP ASYMMETRY CHECK & T/E FLAP POSITION INDICATING SYSTEM ADJ TEST.  NO DEFECTS NOTED.  TECHNICAL SUPPORT REQUESTED ADDITIONAL TROUBLESHOOTING DUE TO INTERMITTENT HISTORY OF FLAP LOCKOUTS.  MX INSPECTED ALL T/E FLAP TRANSMISSIONS AND JACKSCREWS, NO DISCREPANCIES WERE NOTED.  MX FOUND SIGNS OF ARCING ON LT T/E FLAP POSITION XMITTER CONNECTOR & PLUG.  MX REPLACED XMITTER & PLUG, PERFORMED ADJ AND TEST.  NO FURTHER DISCREPANCIES.  PLUG P/N: BACC63BP16A24S7L, LOC: LT WING T/E, COND: ARCED.

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