Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
March 26, 2024
Submitted
April 16, 2024
Operation
Air carrier
Aircraft
N8686A
Make and model
Boeing 7378H4
Aircraft serial
36938
Aircraft time
25,288 hours, 12,382 cycles
Part
Floorbeam
Part number
UNKNOWN
Condition
Corroded
Location
Bs 947 Rbl 52
Stage of operation
IN
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

CORROSION ON FLOOR BEAM 947 RBL 52 WL 208 O/B EDGE OF LAV E AFT O/B FITTING<[01] TRIMMED OUT DAMAGED UPPER CHORD OF FLOOR BEAM AT BS 947 RBL60 TO RBL 8.5 WL 208 PER SRM 53-70-51-2R-5 PAR 4.C;[02] VERIFIED CORRECTIVE ACTION ITEM # 1.;[03] EDITED MATERIAL FOR STEP 14;[04] REMOVED DAMAGED SECTION AND ACCOMPLISHED REPAIR OF FLOOR BEAM; AT STA 947; RBL 8.5 TO RBL 60; WL 208; PER SRM 53-70-51-2R-5; REPAIR 5.;[05] VERIFIED CORRECTIVE ACTION COMPLETED THROUGH STEPS 1-17.

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