Service difficulty report · Floorbeam · Boeing 75724APF

Difficulty date
November 7, 2019
Submitted
November 8, 2019
Operation
Air carrier
Aircraft
N471UP
Make and model
Boeing 75724APF
Aircraft serial
28842
Aircraft time
20,020 hours, 13,810 cycles
Part
Floorbeam
Part number
143N53152
Condition
Worn
Location
Bs 879
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

INSPECTION TYPE:C14 MAIN CARGO DECK BEAMS AT STA 879 HAVE DEEP WEAR MARKS FROM WRONG HARDWARE INSTALLED IN FLOORBOEARD SUPPORT. DOT # 29-211. REMOVED DISCREPANT FILLER, WHICH HAS WEAR MARKS, FORM EXISTING REPAIR. 2. FABRICATE AND INSTALL NEW FILLER PER EA 757-5335-27-A2113 REV- STEP 6 3. REMOVED AND REPLACED ALL THE WRONG HARDWARE IN FLOOR BOARS.

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