Service difficulty report · Skin · Boeing 75721B

Difficulty date
August 30, 2009
Submitted
August 31, 2009
Operation
Air carrier
Aircraft
N933FD
Make and model
Boeing 75721B
Aircraft serial
24330
Aircraft time
52,447 hours, 30,243 cycles
Part
Skin
Part number
113N161116
Condition
Corroded
Location
Zone 600
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

AFTER EVALUATION WITH FASTENERS REMOVED, CORROSION FOUND ON RT UPPER SURFACE SKIN T/E MACHINE SKIN UNDER T/E FIXED PANEL. EVALUATE AND RECTIFY. RT WING UPPER SKIN T/E MACHINE SKIN UNDER T/E FIXED PANEL REPAIRED BETWEEN WBL 85 TO WBL 133 IAW EA F-5720-129619, WING SECONDARY STRUCTURE-AD 92-07-15 CORROSION ON RT WING REAR SPAR REPAIR. REPAIR IS CLASSIFIED AS MAJOR IAW GMM 6-2-100 CRITERIA.

More about the Boeing 757-21B