Service difficulty report · Comp Blades · Boeing 747123

Difficulty date
May 20, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N858FT
Make and model
Boeing 747123
Aircraft serial
20109
Engine
Pwa JT9D7A
Part
Comp Blades
Condition
Bird Strike
Location
Nr 1 Engine
Stage of operation
IN
Nature of condition
C
Precautionary procedure
K

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

What was found

UPON INSPECTION OF NR 1 ENGINE DURING MAINTENANCE, FOUND EVIDENCE OF BIRD STRIKE ON FAN BLADES AND FAN EXIT DIAPHRAGM. COMPLIED WITH CONDITIONAL INSPECTION PER 5-51-14 AND BORESCOPE INSPECTION PER MM 72-00-00. FOUND 6 EACH 5TH STAGE COMPRESSOR BLADES BENT BEYOND LIMITS. REMOVED AND REPLACED ENGINE, RUNUP CHECK NORMAL PER MM 71-00-0.