Service difficulty report · Stringer · Boeing 727222

Difficulty date
August 17, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N7445U
Make and model
Boeing 727222
Aircraft serial
21899
Engine
Pwa JT8D15
Part
Stringer
Condition
Corroded
Location
Bs 950-1010
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

CORROSION DAMAGE WAS FOUND ON STRINGER 29 LEFT BETWEEN STATION 950-1010. CORROSION WAS BEYOND ALLOWABLE LIMITS. THE ADJACENT STRINGER 29 RIGHT HAD BEEN REPLACED AT A PREVIOUS VISIT AND THE REPAIR TO THE SKIN FOR THAT REPLACEMENT ALSO INCORPORATED DAMAGE TO THE BEAR STRAP AROUND THE AFT CARGO DOORWAY. *S/D* THE EXISTING SKIN REPAIR FOR STRINGER 29 RIGHT WAS REMOVED AND ONE LARGE REPAIR WAS USED TO REPAIR THE SKIN CUTOUTS FOR STRINGER 29 RIGHT AND LEFT AND THE DAMAGED BEAR STRAP. THE REPAIR WAS PER TIMCO'S REPAIR INSTRUCTIONS AND WAS APPROVED BY AN 8110-3.