Service difficulty report · Web · Boeing 7378H4

Difficulty date
December 16, 2024
Submitted
January 21, 2025
Operation
Air carrier
Aircraft
N8518R
Make and model
Boeing 7378H4
Aircraft serial
63593
Aircraft time
26,817 hours, 13,369 cycles
Part
Web
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
V
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

DOT#23 A-043 FWD CARGO COMPARTMENT SILL WEB CORRODED STA 440 TO 480+10' RBL 26 WL 156<[01] LIMITS VERIFIED; ORIGINAL THICKNESS .045'; REMAINING THICKNESS .030'; MATERIAL LOSS OF .015'; LOSS OF UP TO .004' ALLOWED-OUT OF LIMITS IAW SRM 53-30-15-1A-1LOCATED & DRILLED NEW WEB IAW SRM 51-40-05-0G-0; & DWG 143A8330 REV-. BEGAN COUNTERSINKING FASTENER HOLES IAW SRM 51-40-05-0G-0 INSTALLED FWD CARGO NEW SILL WEB I/A/W SRM 51-40-02-0G-0 AND BOEING DWG 143A8330 REV -;[02] C/W<BR>AUDIT C/W

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