Service difficulty report · Warning Light · Boeing 767322

Difficulty date
December 20, 2005
Submitted
January 4, 2006
Operation
Air carrier
Aircraft
N666UA
Make and model
Boeing 767322
Aircraft serial
29238
Aircraft time
24,811 hours, 7,371 cycles
Engine
Pwa PW4052
Part
Warning Light
Condition
Illuminated
Location
Bleed Overheat
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

RETURNED TO FIELD DUE TO LEFT BLEED OVERHEAT INDICATION. THE WING DUCT LEAK DETECTORS TS211 & TS212 WERE REPLACED. DURING TROUBLESHOOTING THE SENSOR THAT WAS CAUSING THE FAULT COULD NOT BE DETERMINED SO BOTH WERE REPLACED. THE REMOVED PARTS ARE NON-STOCK, NO FURTHER ANALYSIS. AS OF 09FEB06 THIS WAS THE ONLY ABNORMALITY REPORTED IN AMIS FOR CHAPTER 26. AN 8-IN CRACK WAS FOUND IN THE DUCT CAUSING BLEED AIR LEAKAGE AND "BODY DUCT LEAK" EICAS MESSAGE TO APPEAR. THE DUCT WAS REPLACED.