Service difficulty report · Duct · Boeing 737281

Difficulty date
March 17, 2002
Submitted
April 8, 2002
Operation
General aviation
Make and model
Boeing 737281
Aircraft time
43,003 hours
Engine
Pwa JT8D17
Part
Duct
Part number
655386511
Condition
Missing
Location
Nr 1 Engine
Stage of operation
CL
How discovered
O
Nature of condition
M, J
Precautionary procedure
A

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

What was found

(CAN) SHORTLY AFTER DEPARTING, FLIGHT CREW RECEIVED A NR 1 ENGINE OVERHEAT INDICATION AND IMMEDIATELY RETURNED TO BASE - AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTION REVEALED THE CLAMP FOR THE 8TH STAGE ANTI ICE VALVE WAS MISSING AND THE BLEED DUCT FROM THE ENGINE CORE WAS BENT OUTWARD BLOWING UNREGULATED HOT BLEED AIR INTO THE COWLING CAUSING AN OVERHEAT CONDITION. MAINTENANCE REPLACED THE COWLING ANTI ICE DUCT, AND ATTACHED CLAMP, GROUND RUNS WERE COMPLETED WITH NO FAULTS FOUND - AIRCRAFT RETURNED TO SERVICE WITH NO FURTHER INCIDENTS TO REPORT.