# SDR ASAA2023050443161

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 4, 2023
- Submitted: May 8, 2023
- Operation: Air carrier
- Aircraft: [N468AS](https://openairdocs.org/aircraft/N468AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41735
- Aircraft time: 32,773 hours, 10,361 cycles
- System (JASC): [7300 · Engine Fuel and Control](https://openairdocs.org/jasc/7300)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023050443161

## Discrepancy

#2 ENGINE FUEL FILTER BYPASS LIGHT CAME ON TWICE ON TAXI OUT. GROUNDED - YES. FLIGHT CREW REPORTS LIGHT WAS INTERMITTENT BOTH TIMES FOUND MTX MSG 73-31072 "FUEL FILTER SIGNALS DISAGREE". FOLLOWED B737-900 FIM 73-05 TASK 801 PERFORMED EEC BITE TEST CONFIRMED FAULT MSG 73-31072 REMOVED AND REPLACED FUEL FILTER IAW B737-900 AMM 73-11-02-000-801/73-11-02-400-801. PERFORMED IDLE LEAK CHECK NO LEAKS FOUND AT THIS TIME.

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