# SDR ASAA1058217

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 2010
- Submitted: August 23, 2010
- Operation: Air carrier
- Aircraft: [N566AS](https://openairdocs.org/aircraft/N566AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35181
- Aircraft time: 13,771 hours, 4,276 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7330 · Engine Fuel Indicating System](https://openairdocs.org/jasc/7330)
- Part: Unknown
- Condition: Malfunctioned
- Location: Fuel System
- Stage of operation: IN
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1058217

## Discrepancy

FOUND LONG TERM FAULT 73-31071 "THE FUEL FILTER SIGNALS DISAGREE" WHILE ACCOMPLISHING FMC CDU INTERROGATION ON NR 1 ENGINE.  PERFORMED T/C 78273000 NO FAULTS FOUND.  OPS NORMAL.

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