Service difficulty report · Control Valve · Boeing 737824

Difficulty date
June 18, 2018
Submitted
June 29, 2018
Operation
Air carrier
Aircraft
N37281
Make and model
Boeing 737824
Aircraft serial
31599
Aircraft time
48,624 hours, 17,084 cycles
Part
Control Valve
Part number
3989083
Part serial
6850
Condition
Faulty
Location
Ac Bay
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

TEMPERATURE CONTROL CANNOT COOL CABINS, ALL TEMPERATURE SELECTOR S SET TO FULL COLD AC WOULD NOT COOL DOWN ON THE GRD. TEMP WAS REACHING A SAFETY CONCERN AND NEEDS TO BE FIXED LOCKED LOGPAGE DUE TO MX DIVERSION. FOUND RED LIGHT ON RT TEMP CONTROL VLV. REPLACED RT TCV ASSY IAW AMM21-51-10, OPS & LEAK CK GOOD. DURING DVI OF BOTH PACKS, FOUND RT CONDENSER CRACKED. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1215566 / SN OFF 3820 VALVE, CONTROL, OFF 58-2151-9-0009 3820 ON 58-2151-9-0009 7423.