Service difficulty report · Skin Panel · Boeing 75721B

Difficulty date
March 31, 2009
Submitted
March 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 Panel
Part number
311N5046Y51
Condition
Corroded
Location
Nr 1 Pylon
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 1 PYLON HAS LIGHT CORROSION ON INNER SKIN FWD OF PANEL 433BL. REPAIR AS REQUIRED. NR 1 PYLON OTBD SKIN FROM PP STA 120.50 TO PP STA 209.50 REMOVED AND REPLACED IAW SRM 51-40-02 REV 96, AND DWG 311N5002 SHT 13, REV E. REPAIR IS CLASSIFIED AS MAJOR IAW GMM 6-2-100 CRITERIA.

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