SDR MK1Y20201029004

Service difficulty report · Skin · Boeing 767316

Difficulty date: October 29, 2020
Submitted: October 29, 2020
Operation: General aviation
Filed by: MK1Y325K
Bedek Aviation Group
Aircraft: N544LA
Make and model: Boeing 767316
Aircraft serial: 29227
Aircraft time: 90,996 hours, 18,630 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
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

FUSELAGE SKIN, STA 1197+132, STR 39L TO STR 39R. DURING MAINTENANCE INSPECTION AT IAI, AN EXISTING BLEND OUT WAS FOUND. PER NDT REPORT NO U-20-029 THE TOTAL LOSS IN SKIN THICKNESS IS ABOUT 9.8% 9 FROM 0.071 TO 0.064, 0.007 LOSS, WHITHIN SRM LIMITS. HOWEVER, THERE ARE SEVERAL FASTENERS INTO THE BLENDED AREA THAT PROHIBITED, PER B767-300 SRM 53-00-01, ALLOWABLE DAMAGE 1, DETAIL II.