Service difficulty report · Floorbeam · Boeing 7572Q8

Difficulty date
April 5, 2015
Submitted
April 7, 2015
Operation
Air carrier
Aircraft
N713TW
Make and model
Boeing 7572Q8
Aircraft serial
28173
Aircraft time
64,961 hours, 18,487 cycles
Part
Floorbeam
Condition
Cracked
Location
Bs 1640
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

CABIN FLOOR STRUCTURE STA 1640, RT SIDE OF ACFT JUST FWD OF R4 DOOR HAS CORROSION, UPPER SURFACE, FLOORBEAM UPPER CAP. CUT OUT DAMAGE AREA DIM 31", FABRICATED "T" CHORT USING BAC 1505-100880 PO 707TW-00185, DIM 36", 2 EA SPLICES FROM 7075 "O" .071, PO ST00003441, DIM 7.3750" X 3 AND 7075 "O" .063 PO ST00003441, DIM 9.5" X 3" 2 EA STRAP USING 7075T6.071 PO ST00004231 DIM 7.5" X .8750" AND 7075T6.063, PO ST00004012, DIM 9.2500" X .8750" IAW SRM 53-00-51, REPAIR 8. INSTALLED REPAIR PARTS IAW SRM 53-00-81, REPAIR 8., LP1893544

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