Service difficulty report · Floorbeam · Boeing 7378Q8

Difficulty date
September 22, 2023
Submitted
March 9, 2024
Operation
Air carrier
Aircraft
N804SY
Make and model
Boeing 7378Q8
Aircraft serial
30689
Aircraft time
70,390 hours, 26,886 cycles
Part
Floorbeam
Part number
UNKNOWN
Condition
Corroded
Location
Bs 987 R-Lbl 44
Stage of operation
IN
How discovered
O
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 ON 987 FLOOR BEAM AT AFT WET AREA LBL44 TO RBL44 WL208. AIRCRAFT ARRIVED WITH CORROSION DAMAGE ON A PREVIOUS REPAIR THAT WAS ACCOMPLISHED TO THE TOP OF BS 987 FLOOR BEAM. FLOOR BEAM IS REPAIRABLE BY REPLACEMENT DUE TO NO ALLOWABLE DAMAGE FOR BS 987 FLOOR BEAM TOP CHORD REPAIR PARTS IN SRM REMOVED AND REPLACED BS 987 FLOOR BEAM TOP CHORD REPAIR PARTS, LBL 44 TO RBL 44, WL 208 PER SRM 53-70-51-2R-4 REPAIR 4

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