Service difficulty report · Skin · Boeing 7572B7

Difficulty date
June 17, 2008
Submitted
July 1, 2008
Operation
Air carrier
Aircraft
N906FD
Make and model
Boeing 7572B7
Aircraft serial
27148
Aircraft time
46,574 hours, 19,051 cycles
Part
Skin
Part number
311N504633
Condition
Corroded
Location
Nr 2 Strut
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

STRUT NR 2 INBOARD SIDE OF SKIN AT APPROX PPS 200.50 HAS EXFOLIATED CORROSION (APPEARS TO BE TRAVELING UNDER FRAME/CORD ALSO). REMOVED SKIN IAW SRM 51-40-02. REMOVED CORROSION AT STA 157, ORIGINAL MATERIAL THICKNESS .090 INCH, REMAINING THICKNESS .062 INCH, OUT OF LIMITS PER SRM 54-50-01. REMOVED AND RE-INSTALLED I/B SUPPORT FITTING AND PLATE, 3 ACCESS DOORS, 2 BULB SEALS, HEAT SHIELD, AND I/B FAIRING IAW ARM 51-40-02 TO FACILITATE SKIN REMOVAL AND INSTALLATION. INSTALLED REPAIR SKIN IAW DWG 311N5002 AND SRM 51-40-02. THIS IS A MAJOR REPAIR CATEGORY A, NO FOLLOW UP TRACKING REQUIRED.

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