Service difficulty report · Control Module · Boeing 7373B7

Difficulty date
August 8, 2003
Submitted
September 10, 2003
Operation
Air carrier
Aircraft
N520AU
Make and model
Boeing 7373B7
Aircraft serial
23706
Part
Control Module
Part number
659401
Condition
Faulty
Location
E/E Bay
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

ORF - FLT 636 - EN ROUTE FROM CLT-PVD, AT FL330, THE NR 1 ENGINE OVERHEAT LIGHT ILLUMINATED. CREW REDUCED THE NR 1 ENGINE THROTTLE TO IDLE AND THE LIGHT EXTINGUISHED. CREW DECLARED AN EMERGENCY AND DIVERTED TO ORF. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE M279 FIRE/OVERHEAT CONTROL MODULE PER MM 26-10-01. PERFORMED FAULT ISOLATION PER MM 26-11-00-1. NO FAULTS NOTED. RAN ENGINE FOR 15 MINUTES AT POWER SETTING. NO FAULTS NOTED. (M)

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