SDR ASAA2022021637464

Service difficulty report · Unknown · Boeing 737890

Difficulty date: February 16, 2022
Submitted: February 18, 2022
Operation: Air carrier
Aircraft: N538AS
Make and model: Boeing 737890
Aircraft serial: 41188
Aircraft time: 36,121 hours, 10,532 cycles
System (JASC): 2160 · Cabin Temperature Control System
Part: Unknown
Part number: UNKNOWN
Condition: Unknown
Location: Unknown
Stage of operation: NR
How discovered: V
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

ON MASTER CAUTION RECALL, THE CONT CAB ZONE TEMP LIGHT ILLUMINATED, EXTINGUISHED ON RESET. GROUNDED - YES. PZTC #1 FAULTED FLT DECK TRIM VALVE, RESET PZTC #1 & BOTH PACK OPS TEST WITH RECALL TEST PASSED NO ACTIVE FAULT B737-800 AMM 21-61-00-700-806-802, AMM 21-00-00.