Service difficulty report · Angle · Boeing 7377H4

Difficulty date
February 23, 2025
Submitted
March 26, 2025
Operation
Air carrier
Aircraft
N218WN
Make and model
Boeing 7377H4
Aircraft serial
32489
Aircraft time
64,850 hours, 39,164 cycles
Part
Angle
Condition
Corroded
Location
Zone 100
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

(A125-07) AFT CARGO BAY; Z-ANGLE CORRODED; BS727 - BS767; RBL22; WL156<[01] BLENDED CORROSION ON AFT CARGO Z-ANGLE BS727 - BS767; RBL22 ACCOMPLISHED 10X MAG IAW SRM 51-10-02 VERIFIED MATERIAL LOSS TO BE ORIG .040'; LOSS .008'; REMAINING .032' FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2 REMOVED AFT CARGO Z-ANGLE BS727 - BS767; RBL22 IAW SRM 51-40-02 MATERIAL VERIFIED AS BAC1496-377-7075T6 A-TAG: A289181 FABRICATED REPAIR PARTS IAW SRM 53-00-53-2R-5 STEPS D THROUGH H TREATED AND PRIMED IAW SRM 51-20-01-0G-0 & AMM 51-21-72-370-804 TOPCOAT APPLIED IAW CUSTOMER BARCODE # TTG8Q00YXBJZ STEPS 1 THROUGH 3 INSTALLED Z-ANGLE BS727 - BS767; RBL22 IAW DWG. #146A7500 AND SRM 51-40-02-0G-0;[02] INSTALLED REPAIRED Z-ANGLE STA 727 TO 767; RBL 22 WITH REPAIR SPLICE INSTALLED BETWEEN STA 727D AND 727E IAW SRM 53-00-53-2R-5 BOEING DWG 146A7500 AND SRM 51-40-02-0G-0;[03] AUDIT C/W

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