What was found
NR 4 ENGINE 1ST STAGE TURBINE OUTER AIR SEAL HAS 2 INCH BURN THROUGH. ENGINE TO BE REMOVED FROM SERVICE IN 60 HRS PER MM 72-00-00, PAGE 680N, TABLE 6.
- Difficulty date
- April 10, 2002
- Submitted
- April 10, 2002
- Operation
- Air carrier
- Aircraft
- N923FT
- Make and model
- Boeing 7472U3B
- Aircraft serial
- 22769
- Aircraft time
- 72,191 hours, 17,904 cycles
- Engine
- Pwa JT9D7Q
- Engine time
- 53,948 hours, 13,244 cycles
- System (JASC)
- 7250 · Turbine Section
- Part
- Seal
- Condition
- Burned
- Location
- Nr 4 Engine
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.