Service difficulty report · Skin · Boeing 747451

Difficulty date
February 15, 2011
Submitted
February 17, 2011
Operation
Air carrier
Aircraft
N676NW
Make and model
Boeing 747451
Aircraft serial
33002
Aircraft time
39,381 hours, 5,026 cycles
Part
Skin
Condition
Worn
Location
Bs 2538-2557
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

VERTICAL STABILIZER SEAL INTERFACE INSP RT SIDE. FOUND LIGHT WEAR DAMAGE STA 2538-STA 2557. BLENDED AREA MAX MATERIAL REMOVED IS .003". HFEC NO CRACKS, WITHIN LIMITS IAW SRM 53-00-01, FIG 101. TREATED, PRIMED AND APPLIED TEFLON COATING IAW AA5331-01190-02. REWORKED AREA REQUIRED INSP COMPLETED.