Service difficulty report · Floor Support · Boeing 7378H4

Difficulty date
September 20, 2023
Submitted
November 1, 2023
Operation
Air carrier
Aircraft
N8305E
Make and model
Boeing 7378H4
Aircraft serial
36683
Aircraft time
37,944 hours, 17,309 cycles
Part
Floor Support
Part number
UNKNOWN
Condition
Corroded
Location
Zn 200 Fus Top
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 FWD CARGO COMPARTMENT FLOOR SUPPORT Z CHANNEL S-26R FROM STA 500A TO STA 500I MKD DOT<[01] EVALUATED AREA AT FWD CARGO FLOOR SUPPORT Z-CHANNEL S-26R STA 500A TO 500C FOUND NO EVIDENCE OF CORROSION PER SRM 51-10-02-0G-0.<BR>REMOVED AND REPLACED RH Z CHANNEL SECTION FROM STA 500C+10' TO STA 500I PER SRM 51-40-02-0G-0 DWG#143A7500<BR>FABRICATED REPAIR SPLICE AT RH Z-CHANNEL STA 500C+10' PER SRM 53-00-53-2R-5<BR>INSTALLED NEW REPAIR SPLICE AT STA 500C+10' PER SRM 53-00-53-2R-5;[02] VERIFIED STEP 1;[03] RII VERIFIED STEP 1

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