SDR ASAA2014082508949

Service difficulty report · Controller · Boeing 737890

Difficulty date: August 25, 2014
Submitted: August 28, 2014
Operation: Air carrier
Aircraft: N560AS
Make and model: Boeing 737890
Aircraft serial: 35179
Aircraft time: 30,808 hours, 9,400 cycles
System (JASC): 2160 · Cabin Temperature Control System
Part: Controller
Part number: 6228145
Part serial: 123C0976
Condition: Malfunctioned
Location: Ee Bay
Part time: 59,466 hours, 29,178 cycles
Stage of operation: NR
How discovered: 9
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

FORWARD CABIN ZONE TEMP LIGHT ILLUMINATES ON RECALL. ACFT GROUNDED. VERIFIED FAULT, FOUND PACK/ZONE TEMP CONTROLLER, NR 1 HAS CONTINUED FAULT FOR STBY PACK. THIS FAULT WILL NOT RESET. REPLACED NR 1 CONTROLLER, M1442, WITH SERVICABLE 1. ACCOMP, PACK/ZONE TEMP CONTROLLER INST TEST, TEST PASSED REF FIM21-62, TASK 802, AND MM 21-61-20-400-801.