Service difficulty report · Floorboard · Boeing 73779P

Difficulty date
January 8, 2020
Submitted
August 17, 2021
Operation
Air carrier
Aircraft
N7868K
Make and model
Boeing 73779P
Aircraft serial
29364
Aircraft time
41,675 hours, 28,432 cycles
Part
Floorboard
Condition
Corroded
Location
Fuselage
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

CARGO COMPARTMENT FLOOR BOARD 140AF HAS CORROSION AT FWD TOP SURFACE EDGE. AREAS MARKED IN RED. / AFT CARGO FLOOR PNL 140AF HAS CORROSION ON FWD END TOP SURFACE. BLENDED AND REMOVED CORROSION ON FWD END EDGE TOP SURFACE I/A/W SRM 51-40-02-0G-0 AND CHECKED WIH 10X MAG. MATERIAL LOSS AT BLENDED AREA IS .022; MATERIAL THICKNESS IS .071; MAT REMAINING IS .049 'OUT OF LIMITS' I/A/W SRM 53-00-53-1A-1 FIG 102. REPLACED PNL 140AF WITH NEW PNL P/N 453A2610-34 'A' TAG WN0311.

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