Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
July 26, 2024
Submitted
August 13, 2024
Operation
Air carrier
Aircraft
N8699A
Make and model
Boeing 7378H4
Aircraft serial
36923
Aircraft time
26,610 hours, 13,112 cycles
Part
Floorbeam
Condition
Corroded
Location
Zone 200
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 PASSENGER CABIN FLOOR BEAM AT BS 947 LBL 50; LBL 25; RBL 25 CORROSION ON PASSENGER CABIN FLOOR BEAM AT BS 947 LBL 50 LBL 25 RBL 25 WL208<[01] REMOVED DAMAGED ON FLOOR BEAM 947 LBL 25 UPPER SURFACE IN AN AREA OF 2' X 1'; REMAINING THICKNESS IS 0.135'; ORIGINAL THICKNES IS 0.180' FOUND TO BE OUT OF LIMITS PER SRM 53-70-51-1A-1; TOOL USED ID: ATS2677 DUE: 12/2024. DAMAGE SECTION OF THE FLOOR BEAM UPPER SURFACE TO BE REPAIR PER SRM 53-70-51-2R-5 REPAIR 5 ALTERNATIVE 2. REPAIR ACOMPLISHED ON CUSTOMER CARD #TTG8Q00UTJ91;[02] VERIFIED COMPLETION CORRECTIVE ACTION 1 AND MEASUREMENT TABLE.

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