SDR 95ZZZX7061

Service difficulty report · Skin · Boeing 72723

Difficulty date
November 28, 1995
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N1972
Make and model
Boeing 72723
Aircraft serial
18428
Part
Skin
Condition
Corroded
Location
Fs 481 Str 4l
Part time
72,212 hours
Stage of operation
IN
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

WHILE PERFORMING INSPECTION OF THE BONDED CIRCUMFERENTIAL DOUBLER AT BS 481 PER AD 90-26-09 (SB 727-53-0084), MATERIAL LOSS RANGING FROM 10-30 PERCENT WAS DETECTED IN THE AREA BOUNDED BY STR 4L TO STR 4R. UPON OPENING UP OF AREA FOR REPAIR, PHYSICAL MEASUREMENT OF SKIN REVEALED MAXIMUM MATERIAL LOSS OF APPROXIMATELY 1 PERCENT. SUSPECT CAUSE: DELAMINATION OF BOND.

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