Service difficulty report · Floor Support · Boeing 7378

Difficulty date
March 9, 2023
Submitted
March 10, 2023
Operation
Air carrier
Aircraft
N14214
Make and model
Boeing 7378
Aircraft serial
28774
Aircraft time
75,275 hours, 27,243 cycles
Part
Floor Support
Part number
147A5762U20
Condition
Corroded
Location
Sta 927-947
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

B737-53-3-0740 FLOOR SUPPORT BETWEEN 927-947 RBL 10 HAS CORROSION. EVALUATED DAMAGE ON FLOOR STRUCTURE BTW STA 927 TO 947.5 RBL 10 REPLACED NEW ANGLE SUPPORT P/N: 147A5768-20 IAW B737-800 SRM 51- WITH DIMENSIONS L=2",W=2", D=.050". FOUND TO BE OUT OF LIMITS IA 40-02 PAR 4-7. DATA WAS TRANSCRIBED FROM PAPER DOC AERSALE WO 38 W B737-800 SRM 53-70-51-1A-1 AD1 PAR C (2) FIG 104 USING TOOL DE 26 NR 24767 WORK ACP BY MECH V942859 INSP BY AQC050 PTH GAUGE ID T101315-1, NEXT CAL 04/07/2023. REMOVED AND

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