SDR ASAA2016031615959

Service difficulty report · Controller · Boeing 737990ER

Difficulty date: March 16, 2016
Submitted: March 18, 2016
Operation: Air carrier
Aircraft: N467AS
Make and model: Boeing 737990ER
Aircraft serial: 36362
Aircraft time: 7,226 hours, 2,353 cycles
System (JASC): 2160 · Cabin Temperature Control System
Part: Controller
Condition: Failed
Location: Cabin Temp
Stage of operation: NR
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

CONTROL CABIN ZONE TEMP SELECTOR, PRIMARY INOPERATIVE, APPLIED IAW FCP. ACFT GROUNDED. ACCOMPLISHED BITE ON NR 2 PACK TEMP CONTROLLER IAW AMM 21-61-00. FOUND NR 2 CONTROLLER FAILS BITE FOR, FLT DECK TRIM VALVE. VERIFY PASSES TEST. CLEARED FAULTS SYS OPS CHECKS NORMAL, REF AMM 21-61-00.