What was found
NR 1 START VALVE FAILED TO CLOSE AFTER START. MANUALLY SHUT OFF. ACFT GROUNDED. ACCOMPLISHED START SWITCH TEST OF NR 1 ENGINE START SWITCH IAW AMM 80-11-00. OPS CHECKED NORMAL.
- Difficulty date
- March 21, 2017
- Submitted
- March 23, 2017
- Operation
- Air carrier
- Aircraft
- N559AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35178
- Aircraft time
- 38,908 hours, 11,533 cycles
- System (JASC)
- 8012 · Engine Start Valves/Controls
- Part
- Switch
- Condition
- Malfunctioned
- Location
- Start Valve
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.