Service difficulty report · Bulb · Boeing 737490

Difficulty date
August 17, 2014
Submitted
August 20, 2014
Operation
Air carrier
Aircraft
N569AS
Make and model
Boeing 737490
Aircraft serial
35184
Aircraft time
28,509 hours, 8,921 cycles
Part
Bulb
Part number
MS280341
Condition
Failed
Location
Lt Pack Temp
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

LEFT PACK TEMP IS STUCK AT -5 DEGREES C TEMP, CONTROL IS NORMAL IN CRUISE AND OTHER PHASES OF FLIGHT. ACFT GROUNDED. REPLACED LT PACK TEMP BULB IAW MM 21-51-60/401. OPS GOOD.