Service difficulty report · Thermal Switch · Emb EMB145LR

Difficulty date
August 19, 2004
Submitted
August 30, 2004
Operation
Air carrier
Aircraft
N14542
Make and model
Emb EMB145LR
Aircraft serial
145547
Aircraft time
6,172 hours, 4,873 cycles
Engine
Allsn AE3007A
Part
Thermal Switch
Part number
49523971
Part serial
0186
Condition
Inoperative
Location
Apu
Part time
1,264 hours, 2,321 cycles
Stage of operation
CR
How discovered
9
Nature of condition
B
Precautionary procedure
O

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

What was found

THE CREW REPORTED APU FAIL ON GROUND AND AUTO SHUTDOWN IN FLIGHT WITH A FUEL ODOR PRESENT. THE AIRCRAFT LANDED WITHOUT INCIDENT WHERE MAINTENANCE PLACED THE APU ON MEL 49-00-00 CONTROL NR 045133, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. ON 08/21/04 THE AIRCRAFT RETURNED WHERE MAINTENANCE REMOVED AND REPLACED THE APU HIGH OIL TEMP SWITCH, AND REMOVED THE APU FROM MEL. THE AIRCRAFT WAS THEN APPROVED FOR RETURN TO SERVICE.

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