Service difficulty report · Controller · Boeing 737890

Difficulty date
October 13, 2008
Submitted
October 20, 2008
Operation
Air carrier
Aircraft
N559AS
Make and model
Boeing 737890
Aircraft serial
35178
Aircraft time
8,152 hours, 2,446 cycles
Part
Controller
Part number
6228145
Part serial
62281403784
Condition
Malfunctioned
Location
Cabin Temp
Part time
8,152 hours, 2,446 cycles
Stage of operation
UK
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

LEFT PACK LIGHT ILLUMINATED ON RECALL EXTINGUISHED ON RESET. BITE TESTED PACK ZONE TEMP CONTROLLERS IAW AMM 21 61 00 700 806 002, NO FAULTS NOTED. RANG OUT OVERHEAT THERMAL SWITCHES S938 S2 S934 IAW WDM 21 51 15, NO DEFECTS NOTED. RANG OUT T472 & T488 WDM 21 51 12 21 61 51, RANG GOOD. COULD NOT DUPLICATE DISCREPANCY. ACCOMPLISHED GND TESTS SATISFACTORY.