Service difficulty report · Floor Support · Boeing 7378H4

Difficulty date
April 11, 2021
Submitted
May 6, 2021
Operation
Air carrier
Aircraft
N8614M
Make and model
Boeing 7378H4
Aircraft serial
36908
Aircraft time
28,118 hours, 12,391 cycles
Part
Floor Support
Condition
Corroded
Location
Fwd Cargo
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

FORWARD CARGO COMPARTMENT FLOOR STRUCTURE L/H ZEE ANGLE STA 500E TO 500I LBL 23 WL 156 HAS CORROSION / REMOVED CORROSION AT FWD CARGO COMPARTMENT FLOOR STRUCTURE L/H Z ANGLE STA 500E TO 500I LBL 23 IAW B 737 SRM 51-10-02-0G-0 ITEM 15 ORIGINAL 'T' .040 REMAINING .029 LOSS .011 THE DEEPEST AREA FOUND TO BE OUT OF LIMITS IAW B 737 SRM 53-00-53-1A-2 FIG 103 CUT OUT DAMAGE SECTION BETWEEN STA 500B - 500C FABRICATED INSTALLED REPAIR OF Z ANGLE FROM STA 500B TO 500I IAW B 737 SRM 53-00-53-2R-5 REPAIR 5 P/N 143A7501-187

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