SDR CA970603016

Service difficulty report · Clamp

Difficulty date: May 11, 1997
Submitted: March 26, 2000
Operation: Air carrier
Engine: Pwa JT9D7R4D
System (JASC): 7500 · Engine Bleed Air System
Part: Clamp
Part number: 8622450
Condition: Blown
Location: 8th Stage Bleed
Stage of operation: CR
Nature of condition: R, 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) DURING CRUISE AT FL390 THE #1 ENGINE BEGAN TO LOSE POWER AND WOULD NOT RESPOND TO POWER LEVER MOVEMENT. #1 ENGINE OIL TEMPERATURE ALSO INCREASED TO 130 DEGREES. FLIGHT DIVERTED. POST FLIGHT INSPECTION FOUND THE #1 ENGINE 8TH STAGE BLEED AIR DUCT ASSEMBLY CLAMP HAD BLOWN. 8TH STAGE BLEED AIR CLAMP REPLACED AND ENGINE GROUND RUN SERVICEABLE.