What was found
DURING ROUTINE INSPECTION, AN .9375 INCH CRACK WAS FOUND ON THE LOW PRESSURE TURBINE CASE EXITING OUT OF THE EGT THERMAL COUPLE PORT AT THE 1 O'CLOCK POSITION. ENGINE WAS REMOVED FROM SERVICE. (M)
- Difficulty date
- August 6, 1998
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N617FF
- Make and model
- Boeing 747121
- Aircraft serial
- 19650
- Engine
- Pwa JT9D7F
- System (JASC)
- 7250 · Turbine Section
- Part
- Turbine
- Part number
- 772832001
- Condition
- Cracked
- Location
- Engine
- Stage of operation
- IN
- Nature of condition
- T
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.