Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
April 20, 2022
Submitted
May 17, 2022
Operation
Air carrier
Aircraft
N8627B
Make and model
Boeing 7378H4
Aircraft serial
36895
Aircraft time
27,668 hours, 12,773 cycles
Part
Floorbeam
Condition
Corroded
Location
Fuselage
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 BS 947 FLOOR BEAM LBL 27 WL 208. / [01] VERIFIED APPLICABILITY PER SRM 53-70-51-1A-1 ALLOWABLE DAMAGE 1 PAR.4.H(2)(B) FIG.C;13] FABRICATED REPAIR PARTS ITEM(1) T-CHORD FROM BAC1505-101045 7075T6 LOT #5098135-1;ITEM(2) ANGLE FROM 7075-TO 0.100' LOT#1351333-2 AND HT TO T6 CONDITION ON P.O #865077-SWA;ITEM(3)STRAP FROM 7075-T6 0.125' LOT#1469335-1;APPLIED CHEMICAL CONVERSION COAT AND PRIMED REWORKED AREAS AND NEW PARTS ALL I.A.W SRM 53-70-51-2R-5 REPAIR 5 PAR 4.D-K OK TO INSTALL[29] INSTALLED FLOOR SUPPORT B927-947 LBL17 REMOVED ON CORRECTIVE ACTION 7 I.A.W SRM 53-70-51-2R-5 REPAIR 5 PAR.4.P AND BOEING DWG 147A5650

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