What was found
LEFT ENGINE FILTER BYPASS LIGHT ILLUMINATED 1 MINUTE AFTER ENGINE START. LIGHT WENT OUT AFTER ENGINE SHUTDOWN. ACFT GROUNDED. R & R NR 1 ENGINE FUEL PRESSURE DIFFERENTAL SWITCH IAW AMM 73-34-01-400-801. LEAK TEST AND OPS CHECK GOOD.
- Difficulty date
- December 17, 2015
- Submitted
- December 22, 2015
- Operation
- Air carrier
- Aircraft
- N513AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35192
- Aircraft time
- 27,753 hours, 8,434 cycles
- System (JASC)
- 7330 · Engine Fuel Indicating System
- Part
- Pressure Switch
- Part number
- QA07995
- Part serial
- RZ18811
- Condition
- Failed
- Location
- Nr 1 Engine
- Part time
- 614 hours, 153 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.