Service difficulty report · Stringer · Boeing 747121

Difficulty date
September 10, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N683UP
Make and model
Boeing 747121
Aircraft serial
20353
Part
Stringer
Condition
Cracked
Location
Bs 1980
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

INSPECTION TYPE-C, BULK CARGO COMPT FOUND STRINGER DENTED, CRACKED AND NOT PROPERLY REPAIRED, DUE TO OLD SKIN DAMAGE AT BS 1980, S39 LT. ALSO, FOUND SHEAR TIES BENT AT SAME LOCATION. REMOVED EXISTING REPAIR DOUBLER FROM SKIN. ENLARGED EXISTING SKIN CUTOUT TO REMOVE ALL DAMAGED SKIN AND REPAIRED SKIN ACC TO SRM 53-30-03 FIG 1. REMOVED DAMAGED STRINGER AND REPAIRED STRINGER ACC SRM 53-10-03 FIG 1, REMOVED DAMAGED SHEAR TIES AND REPAIRED ACC TO SRM 53-10-04 FIG 3.