Service difficulty report · Skin · Boeing 757212

Difficulty date
February 25, 2016
Submitted
March 11, 2016
Operation
Air carrier
Aircraft
N752AT
Make and model
Boeing 757212
Aircraft serial
23128
Aircraft time
97,138 hours, 40,046 cycles
Part
Skin
Condition
Damaged
Location
Bs 1482
Stage of operation
IN
How discovered
9
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

SKIN AT BS 1482 ON S7L LIGHTNING STRIKE DAMAGE. : BLENDED OUT DAMAGE, BEYOND LIMITS IAW SRM 53-00-01 CUTOUT DAMAGE, 1" HOLE IAW SRM 53-00-01, REPAIR 13, 672231 HFEC INSPECTED CUTOUT IAW NDT PART 6 51-00-01. NO CRACKS FOUND QC2084. REPAIR IS IN ZONE B THICKNESS OF SKIN AT CUT-OUT IS .050, FAB DOUBLER FROM .063 2024-T3 AND ROLLED TO ACFT CONTOUR 672231, DRILLED DOUBLER AND SKIN CHAMPERED EDGE .1875" IN STR AND .1562 REPAIR IAW SRM 53-00-01, REPAIR 13, FIG 201. OK TO INSTALL ALODINED AND PRIMED INSTALLED WET WITH BMS890 B1/2 INSTALLED BLIND FASTNERS APPLIED EDGE SEAL 1826 B1/4 AND PAINTED PEELED TAPE OFF ID PLATE SRM 53-00-01, REPAIR 13 REQUIRES 1000 FLIGHT CYCLE REPETITIVE INSPECTIONS AND 3000 FLIGHT CYCLE REPLACEMENT WITH A PERMANENT REPAIR. NR 24 MONTH TIME LIMIT IS REQUIRED. REMOVING 24 MONTH TIME LIMITATION FROM MASK.