Service difficulty report · Skin · Boeing 767306

Difficulty date
October 26, 2020
Submitted
October 27, 2020
Operation
Air carrier
Aircraft
N1399A
Make and model
Boeing 767306
Aircraft serial
27959
Aircraft time
92,191 hours, 17,923 cycles
Part
Skin
Condition
Cracked
Location
Bs 654-720
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

UPPER FUSELAGE AT APPROXIMATELY STA 654 TO STA 720 STR 10R TO 10L HAS EVIDENCE OF MULTIPLE SMOKED RIVETS. UPON REMOVAL OF 130 EA FASTENERS FOUND 2 EA. FASENTER HOLES CRACKED AT CROWN STA 654+22 STR 1L AND STR 1R. REAMED 2 EA CRACKED HOLES TO .214 WITH NDT VERIFICATION NO DEFECTS NOTED. RE-INSTALLED 130 EA FASTNERS, IAW B767 SRM 51-40-0251-40-05.