Service difficulty report · Sensor · Boeing 74747UF

Difficulty date
June 20, 2015
Submitted
June 23, 2015
Operation
Air carrier
Aircraft
N412MC
Make and model
Boeing 74747UF
Aircraft serial
30559
Aircraft time
64,251 hours, 9,986 cycles
Part
Sensor
Part number
7242495
Part serial
99036426
Condition
Inoperative
Location
Crew Rest
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

CREW REST AREA TEMP UNCONTROLLABLE, GOES BETWEEN EXTREME HOT & COLD. AFT BULKHEAD HOT TO TOUCH. FOUND ZONE TEMP SENSOR FAN NOT WORKING. R & R, OPERATIONS CHECKED IAW AMM 21-61-03, ALL NORMAL.

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