Service difficulty report · Web · Boeing 7377H4

Difficulty date
October 5, 2021
Submitted
November 1, 2021
Operation
Air carrier
Aircraft
N901WN
Make and model
Boeing 7377H4
Aircraft serial
32545
Aircraft time
46,086 hours, 26,832 cycles
Part
Web
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

A-061 DOT 2 CORROSION FWD PIT THRESHOLD WEB UPPER SURFACE STA 460 +10' TO STA 480 + 10' RBL 29 WL 155 ; / [01] UPDATED MEASUREMENTS IN CHART; [02] REMOVED CORROSION IAW 51-10-02 10X MAGNIFYING; [03] VERIFIED MEASUREMENTS AND CORROSION REMOVAL ITEMS 1 AND 2; [04] FOUND TO BE IN LIMITS IAW 53-30-15-1A-1 ORIGINAL THICKNESS.050 .005 MATERIAL WAS REMOVED.045 MATERIAL REMAINS AAR36649 DUE DATE12 AUG 22; [05] VERIFIED ACTION 4 IS COMPLETE; [06] VERIFIED STEPS 1-5 AND OK TO TREAT AND PRIME; [07] ALODINED IAW AMM 51-21-41-370-803<BR>PRIMED IAW AMM 51-21-72-370-801; [08] VERIFIED ACTION 7 IS COMPLETE; [09] VERIFIED ITEMS 7 AND 8; [10] AUDIT C/W

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