Service difficulty report · Skin · Boeing 747451

Difficulty date
February 11, 2011
Submitted
February 22, 2011
Operation
Air carrier
Aircraft
N676NW
Make and model
Boeing 747451
Aircraft serial
33002
Aircraft time
39,356 hours, 5,023 cycles
Part
Skin
Condition
Damaged
Location
Fuselage
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

FOUND WEAR BETWEEN STA 2300-2320 WITH GOUGE AT 2313. BLENDED AREA STA 2300-2320 EXCEPT STA 2313. MAX MATERIAL REMOVED IS .007 INCH HFEC NO CRACKS. WITHIN LIMITS PER SRM 53-00-01 FIG 101. TREATED, PRIMED APPLIED TEFLON COATING PER AA 5331-01190-02. ERA 489979-14AD DOCUMENTS REWORKED AREA STA 2313 DRILLED OUT GOUGE TO .190 INCH AND INSTALLED BLIND FASTENER PER SRM 53-00-01 FIG 201. REQUIRES REP INSPECTION AT 1000 FC INTERVALS. REQUIRES PERMANENT REPAIR WITH SOLID FASTENER AT 6000 FC. REQUIRED INSPECTION COMPLETED.