Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
March 5, 2024
Submitted
April 15, 2024
Operation
Air carrier
Aircraft
N8567Z
Make and model
Boeing 7378H4
Aircraft serial
36928
Aircraft time
19,775 hours, 9,994 cycles
Part
Floorbeam
Part number
UNKNOWN
Condition
Corroded
Location
Bs 947 Rbl 25
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

CORROSION ON FLOOR BEAM AT STA 947.5 AND RBL 24.75 LAV HARD POINT<[01] REMOVED CORROSION AT STA 947 RBL 24; ORIGINAL THICKNESS .180' REMOVED .045' REMAINING MATERIAL THICKNESS .135' REF B737 SRM 53-70-51-1A-1 REMOVED AND REINSTALLED LAV HARDPOINT AT STA 947.5 RBL 24.75 REF BAC DWG 147A5650 AND B737NG SRM 51-40-02 ALL OTHER REPAIR WORK ACCOMPLISHED ON CUSTOMER CARD TTG8Q00S2B45 AND HAECO CARD 42283.;[02] VERIFIED REMOVED CORROSION AT STA 947 RBL 24; ORIGINAL THICKNESS .180' REMOVED .045' REMAINING MATERIAL THICKNESS .135' REF B737 SRM 53-70-51-1A-1 REMOVED AND REINSTALLED LAV HARDPOINT AT STA 947.5 RBL 24.75 REF BAC DWG 147A5650 AND B737NG SRM 51-40-02 ALL OTHER REPAIR WORK ACCOMPLISHED ON CUSTOMER CARD TTG8Q00S2B45 AND HAECO CARD 42283.

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