# SDR ASAA1058476

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 3, 2010
- Submitted: November 5, 2010
- Operation: Air carrier
- Aircraft: [N583AS](https://openairdocs.org/aircraft/N583AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35681
- Aircraft time: 12,360 hours, 3,761 cycles
- System (JASC): [4997 · APU System Wiring](https://openairdocs.org/jasc/4997)
- Part: Connector
- Part number: BACC63CN2842S6
- Condition: Dirty
- Location: Apu
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1058476

## Discrepancy

MAINT MESSAGE 49 52284 SURGE VALVE POSITION DISAGREES WITH COMMAND FAULT FOUND ON APU BITE CK.  ACCOMP FIM TASK 49 53 00 810 806.  FAULT CORRECTED AFTER WIRE HARNESS CONNECTION WAS CLEANED.  OPTS CHECK GOOD NO FAULTS FOUND AFTER MULTIPLE STARTS.  SUCCESSFUL GROUND VERIFICATIONS OF CORRECTION ACCOMP REF FIM TASK 49 53 00 810 806.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.