Service difficulty report · Valve · Boeing 737890

Difficulty date
September 14, 2014
Submitted
September 16, 2014
Operation
Air carrier
Aircraft
N565AS
Make and model
Boeing 737890
Aircraft serial
35181
Aircraft time
29,799 hours, 9,121 cycles
Part
Valve
Part number
32144464
Part serial
6873
Condition
Failed
Location
Nr 1 Hi Stage
Part time
41,958 hours, 15,791 cycles
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LEFT ENGINE BLEED TRIP CAME ON AT 100 FT . CHECKLIST PROCEDURE CLEARED LIGHT AND RESTORED OPS. ACFT GROUNDED. DIVERTED BACK TO DEPARTURE. ACCOMPLISHED FIM TASK 36-10, TASK 801. FOUND HIGH STAGE VALVE STICKING & RATCHETING WHILE MANUALLY OPERATING IT. R & R HIGH STAGE VALVE IAW MM 36-11-06. GROUND VERIFICATION SUCCESSFUL. ACCOMPLISHED REPAIR CONFIRMATION IAW FIM TASK 36-10-801. NO FAULTS NOTED.