What was found
NR 1 ENGINE START VALVE WOULD NOT INDICATE OPEN ON NORMAL START. N2 INDICATED. ACFT GROUNDED. R & R 1 ENGINE START VALVE REF MM 80-11-03. NO LEAKS NOTED. OPS CHECKED ENGINE START VALVE NORMAL WITH ENG RUN.
- Difficulty date
- March 1, 2012
- Submitted
- August 20, 2012
- Operation
- Air carrier
- Aircraft
- N594AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35191
- Aircraft time
- 15,232 hours, 4,749 cycles
- Engine
- Cfmint CFM567B273
- System (JASC)
- 8012 · Engine Start Valves/Controls
- Part
- Valve
- Part number
- 32896302
- Part serial
- 5318
- Condition
- Failed
- Location
- Nr 1 Engine
- Part time
- 43,370 hours, 21,721 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.