Service difficulty report · Channel · Boeing 7378H4

Difficulty date
June 22, 2022
Submitted
July 18, 2022
Operation
Air carrier
Aircraft
N8640D
Make and model
Boeing 7378H4
Aircraft serial
60084
Aircraft time
27,602 hours, 12,670 cycles
Part
Channel
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 986 UPPER CHORD RBL 45 WL 208 / [01] REMOVED CORROSION AT BS 986 FLOORBEAM FOUND TO BE OUT OF LIMITS PER SRM 53-70-51-1A-1;16] FABRICATED REPAIR PARTS ITEM(1) STRAP(1EA) FROM 7075-T6 0.100 LOT # 1424649-1 AND ITEM (2) SHIM FROM 7075-T6 0.025 LOT 1305356-1 I.A.W SRM 53-70-51-2R-6 REPAIR 6 PAR 4.F-L TABLE 203 OK TO INSTALL;[17] VERIFIED CORRECTIVE ACTION 16.<BR>OK TO INSTALL;[18] INSTALLED REPAIR PARTS ITEM 1 STRAP AND ITEM 2 SHIM I.A.W SRM 53-70-51-2R-6 REPAIR 6 PAR 4.M-R TABLE 203 FIG 204;[19] COMPLETED ALL REPAIR TASK I.A.W SRM 53-70-51-2R-6 REPAIR 6 ALTERNATIVE 3;[20] VERIFIED CORRECTIVE ACTION 18;[21] VERIFIED CORRECTIVE ACTION 19.<BR>VERIFIED MEASURMENT TABLE

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