Service difficulty report · Control Valve · Boeing 737890

Difficulty date
January 20, 2018
Submitted
January 23, 2018
Operation
Air carrier
Aircraft
N517AS
Make and model
Boeing 737890
Aircraft serial
35197
Aircraft time
34,893 hours, 10,366 cycles
Part
Control Valve
Part number
3989083
Part serial
11439
Condition
Stuck
Location
Ac Bay
Part time
34,905 hours, 10,369 cycles
Stage of operation
CL
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.

What was found

RIGHT PACK AMBER CAUTION LIGHT ILLUMINATED ON CLIMBOUT THE LIGHT EXTINGUISHED PUSHING THE MASTER CAUTION LIGHT RESET. GROUNDED - YES. CHECKED & RELEASED PER MEL 21-33D. TCV (V141) STUCK CLOSED. REPLACED TEMP CONT VALVE (V141) PER AMM 21-61-21/401. OPS GOOD. BITE TEST PASS. CLEARS MEL 21-33D.