Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
September 29, 2020
Submitted
July 21, 2021
Operation
Air carrier
Aircraft
N8644C
Make and model
Boeing 7378H4
Aircraft serial
35973
Aircraft time
20,442 hours, 9,111 cycles
Part
Floorbeam
Condition
Corroded
Location
Bs 500i R-Lbl 23
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

FWD PIT STA 500I LATERAL FLOOR SUPPORT CORRODED FROM LBL23 TO RBL23 AT WL157 / REMOVED CORROSION ON FLOOR SUPPORT FWD PIT STA 500I. NO PUBLISHED. OUT OF LIMITS. REMOVED + REPLACED FLOOR SUPPORT RAIL IAW SRM 51-40-02-0G-0; 51-40-05-0G-0; AMM 51-21-91-620-802; + DWG 143A9481 SHT 7 REV A.

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