Service difficulty report · Tailpipe · Boeing 747283B

Difficulty date
March 8, 2002
Submitted
March 12, 2002
Operation
Air carrier
Aircraft
N921FT
Make and model
Boeing 747283B
Aircraft serial
21575
Aircraft time
56,668 hours, 12,747 cycles
Engine
Pwa JT9D70A
Engine time
40,252 hours, 9,160 cycles
Part
Tailpipe
Condition
Cracked
Location
Nr 1 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.

What was found

FOUND NR 1 ENGINE TAIL PIPE INNER SLEEVE, CRACK APPROX 1 INCH LONG AT 6 O'CLOCK POSITION AND APPROX 18 INCHES FROM FWD CONE L/E. CRACK IS 6.5 INCH LONG FOUND ON OUTER SKIN OF EXHAUST CONE INNER BARREL.