Service difficulty report · Frame · Boeing 757251

Difficulty date
August 16, 2019
Submitted
February 4, 2020
Operation
Air carrier
Aircraft
N548US
Make and model
Boeing 757251
Aircraft serial
26495
Aircraft time
74,508 hours, 26,873 cycles
Part
Frame
Condition
Gouged
Location
Bs 1300
Stage of operation
IN
How discovered
O
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

GOUGED FRAME AT TWO PLACES ON RADIUS AT STA 1300 LBL 30. REMOVED FASTENERS FROM #1 SIDEWALK FROM STA 1220-1300 FOR ACCESS. BLENDED GOUGES. HFEC INDICATES NO CRACKS FOUND. UT INSPECTEION INDICATES FWD BLEND IS .024" AND AFT BLEND IS .028" FOR REMAINING MATERIAL. BOTH BLENDS OUT OF LIMITS. CONTACTED LIASON ENGINEERING. CUT OUT DAMAGE FROM INNER CHORD OF FRAME. FABRICATED REPAIR FROM .071" 7075-0 AND HEAT TREATED TO T6. FABRICATED FILLERS AND INNER STRAP. DRILLED TREATED PRIMED AND INSTALLED REPAIR IAW EA 56-191536 SECTION I