Service difficulty report · Angle · Boeing 7378

Difficulty date
October 2, 2023
Submitted
October 19, 2023
Operation
Air carrier
Aircraft
N8714Q
Make and model
Boeing 7378
Aircraft serial
36934
Aircraft time
13,432 hours, 5,992 cycles
Part
Angle
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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

A125-01 AFT CARGO COMPARTMENT FLOOR STRUCTURE RIGHT SIDE Z-ANGLE - BS727F-767; RBL22; WL156. LIGHT CORROSION FOUND AT FASTENER HOLES<[01] REMOVED CORROSION ON Z ANGLE AND VERIFIED WITH 10X MAGNIFIER CORROSION REMOVED IAW SRM 51-10-02-0G-0;<BR>LIMITS VERIFIED; ORIGINAL THICKNESS .040'; REMAINING THICKNESS .035'; MATERIAL LOSS OF .005'AT 727J+14' AND 727I+15'; .004' ALLOWED-OUT OF LIMITS IAW SRM 53-00-53-1A-2<BR>AAR TOOL36647 CAL DUE 05-10-24;<BR>REMOVED R/H Z ANGLE; STA 727I+8 TO 767 AND REPAIRED WITH FABRICATED Z ANGLE REPAIR PARTS IAW SRM 53-00-53-1A-2;[02] VERIFIED STEP 1.;[03] AUDIT C/W.

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