Service difficulty report · Angle · Boeing 7377H4

Difficulty date
September 28, 2022
Submitted
October 25, 2022
Operation
Air carrier
Aircraft
N266WN
Make and model
Boeing 7377H4
Aircraft serial
32523
Aircraft time
52,718 hours, 31,500 cycles
Part
Angle
Condition
Cracked
Location
Center Wing
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

L/H BS 663 VAPOR BARRIER UPPER ANGLE CRACKED AT LBL 8 W/L 164 / [01] REMOVED 8 FASTENERS COMMON TO FUEL TANK AT BS 663 LBL6 TO 13 AND CUT OUT ANGLE DAMAGE IAW SRM 51-40-02-0G-0 AND SRM 57-10-10-2R-5 REPAIR 5 FIG 202;[02] VERIFIED APPLICABILITY IAW SRM 57-10-10-2R-5 REPAIR 5 FIG 202;[03] VERIFIED CORRECTIVE ACTIONS #1; 2 AND MEASUREMENT FIELD;[04] ACCOMPLISHED AN OPEN HOLE INSPECTION IN REPAIR AREA PER 737 NDT PT 6; 51-00-00 PROCEDURE 16. NO CRACKS NOTED. EQUIPMENT USED NORTEC 600; ID # ATS2353; CAL DUE 01/2023;[05] PERFORMED A DETAILED INSPECTIONOF THE REPAIR AREA AND THE UNDERLYING STRUCTURE WITHIN THE REPAIR AREA AND NO FOUND DAMAGE IAW SRM 57-10-10-2R-5 REPAIR 5 STEP 4D;[06] VERIFIED CORRECTIVE ACTION 5 NO DAMAGE NOTED;[07] LOCATED AND DRILLED REPAIR PARTS; [2] SPLICE ANGLE ; P/N: ATSHFAB-101-355 LOT:548789 AND [1]FILLER P/N ATSHFAB-101-353 LOT#:547726 IAW SRM 51-40-05 AND SRM 57-10-10-2R-5 REPAIR 5;

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