Service difficulty report · Valve · Boeing 737823

Difficulty date
April 19, 2021
Submitted
April 23, 2021
Operation
Air carrier
Aircraft
N927NN
Make and model
Boeing 737823
Aircraft serial
31171
Aircraft time
23,791 hours, 9,906 cycles
Part
Valve
Part number
32895627
Part serial
6583
Condition
Faulted
Location
Lt Engine
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

AIRCRAFT WAS GROUNDED: LH BLEED TRIP OFF DURING CLIMB AND WOULD NOT RESET, DUCT PRESSURE REMAINED AT 8 PSI FOR RETURN TO MIA. REPLACED LH ENG HI STAGE VALVE (AALA202104229022) IAW AMM 36-11-06 AND PRECOOLER VALVE IAW AMM 36-12-02, OPS CHECK GOOD.