Service difficulty report · Duct · Boeing 727222

Difficulty date
October 21, 1999
Submitted
October 9, 2000
Operation
Air carrier
Aircraft
N7445U
Make and model
Boeing 727222
Aircraft serial
21899
Aircraft time
53,865 hours, 32,215 cycles
Engine
Pwa JT8D15
Engine time
53,865 hours
Part
Duct
Part number
616318
Condition
Cracked
Location
Nr 3 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

NR 3 ENGINE CASE CRACKED. REFERENCE NR 6 FAN DISCHARGE COMBUSTION SECTION OUTER DUCT HAS A DENT APPROXIMATELY .5 INCH DEEP AND TWO CRACKS 2 INCHES AND 2.5 INCHES LONG. *S/D* ENGINE CASE WAS CRACKED/DENTED DUE TO IMPACT WITH GROUND EQUIPMENT. THE CASE WAS NDT INSPECTED TO DETERMINE THE TRUE LENGTH OF THE CRACKS AND SUBSEQUENTLY PATCHED. A LONG TERM DEFERRAL WAS CREATED TO CHECK THE INTEGRITY OF THE PATCH RIVETS AT AT C CHECK AND REPLACE THEM AT HMV.