Service difficulty report · Floorbeam · Boeing 757236

Difficulty date
November 7, 2019
Submitted
November 19, 2019
Operation
Air carrier
Aircraft
N979FD
Make and model
Boeing 757236
Aircraft serial
25592
Aircraft time
62,290 hours, 23,198 cycles
Part
Floorbeam
Part number
141N511113
Condition
Corroded
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

FORWARD WET AREA CORROSION STA 345 FLOORBEAM UPPER SURFACE OF UPPER CHORD, FORWARD AND AFT FLANGES, APPROX LBL 5 - LBL 23 AND LBL 56. BLENDED OUT CORROSION AREA AT FLOORBEAM STA 345 UPPER SURFACE OF UPPER CHORD AND FOUND OUT OF LIMITS AT LBL 5 AND LBL 23 IAW SRM 53-00-51-1A FIG 101 DET IV, CUT AND REMOVED FLOORBEAM UPPER CORD, LOCATED, DRILLED AND TRIMMED T CHORD AND FABRICATED REPAIR SPLICES (ANGLES AND STRAPS) AND INSTALLED ALL REPAIR PARTS IAW SRM 53-00-51-2R REPAIR 10.