Service difficulty report · Beam · Boeing 7377H4

Difficulty date
November 24, 2021
Submitted
November 29, 2021
Operation
Air carrier
Aircraft
N784SW
Make and model
Boeing 7377H4
Aircraft serial
29810
Aircraft time
68,617 hours, 40,550 cycles
Part
Beam
Condition
Corroded
Location
Cabin Floor
Stage of operation
UK
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

CABIN FLOORBEAM AT BS 986.5, RBL 30, AND RBL 34 HAS SURFACE CORROSION ON THE UPPER AND LOWER SURFACES. REMOVED CORROSION IAW SRM 51-10-02-0G-0. PERFORMED UT THICKNESS INSP. ON REWORKED AREAS IAW NDT PART 4 51-00-00 PROCEDURE 3. PERFORMED A HFEC INSPECTION IAW NDT PART 06 51-00-00 PROC 23, NO CRACKS. PERFORMED A OPEN HOLE HFEC INSPECTION IAW NDT PART 06 51-00-00 PROC 16, NO CRACKS. REPAIR ACCOMPLISHED IAW ADD-M-21-153-00612, REPAIR ACCOMPLISHED TTG8Q009K1WR.

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