Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
February 18, 2020
Submitted
June 4, 2021
Operation
Air carrier
Aircraft
N8315C
Make and model
Boeing 7378H4
Aircraft serial
38811
Aircraft time
26,646 hours, 11,735 cycles
Part
Floorbeam
Condition
Corroded
Location
Bs 947
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

PASSENGER CABIN FLOOR SUPPORT T-CAP AT STA 947 FROM LBL 12-RBL12 W/L 208 HAS AREAS OF CORROSION ON THE UPPER AND LOWER AFT FLANGE / EVALUATED CORROSION ON UPPER AND LOWER SURFACE STA ' 'STA 947; T-CAP; P/N 147A5504-29; LBL 12 TO RBL 12 ' 'AND WL 208; ORIGINAL THICKNESS .180' LOSS OF .045' ' 'REMAINING .135' FOUND TO BE OUT OF LIMITS IAW SRM ' '53-70-51-1A-1. REPAIRED T-CAP IAW EA 200180 IR AND ' 'SWA EA REPAIR-53EA-07848 P/N 147A5504-29

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