Service difficulty report · Skin · Boeing 767332

Difficulty date
March 20, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N175DN
Make and model
Boeing 767332
Aircraft serial
24803
Part
Skin
Part number
311T3450
Condition
Cracked
Location
Nr 2 Pylon
Stage of operation
IN
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

TWO CRACK LOCATIONS HAVE BEEN REPORTED IN THE NR 2 ENGINE PYLON OUT'BD STRUT SKIN. THE CRACKS START FROM THE FWD TORQUE BOX ACCESS HOLE. A 1 INCH CRACK IS IN THE UPPER FWD CORNER AT NAC STA 158. SECOND CRACK IS IN THE UPPER AFT CORNER AT NAC STA 192 AND IS 2 INCHES LONG. BOTH CRACKS EXTEND THROUGH BOTH SHEETS OF 0.080 PLUS 0.080 2024-T3 BONDED SKIN ASSEMBLY. THE AFT CRACK TERMINATES IN AN EXISTING FASTENER HOLE. ACCOMPLISHED REPAIRS PER DL ERA 271951-14 REV, D.