Service difficulty report · Guide Vane · Boeing 747238B

Difficulty date
January 17, 1997
Submitted
March 26, 2000
Operation
Air carrier
Make and model
Boeing 747238B
Engine
Pwa JT9D7F
Part
Guide Vane
Condition
Failed Shroud
Location
4th Stg Nr 1 Eng
Part time
55,388 hours
Stage of operation
CL
Nature of condition
O
Precautionary procedure
O

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

What was found

(CAN) ON CLIMB OUT #1 ENGINE FAILED. MAINTENANCE FOUND EXHAUST CONE MISSING AND LOW PRESSURE TURBINE DAMAGE. #1 ENGINE REPLACED DUE TO MASSIVE LOW PRESSURE TURBINE FAILURE AS A RESULT OF A STAGE 4 NOZZLE GUIDE VANE INNER SHROUD FAILURE.