Service difficulty report · Attach Angle · Boeing 7378H4

Difficulty date
June 8, 2022
Submitted
June 17, 2022
Operation
Air carrier
Aircraft
N8693A
Make and model
Boeing 7378H4
Aircraft serial
36921
Aircraft time
19,765 hours, 9,211 cycles
Part
Attach 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

R/H BS663 UPPER ATTACH ANGLE IS CRACKED ON FWD SIDE OF VAPOR BARRIER RBL8 WL 167 / [01] VERIFIED APPLICABILITY OF SRM 57-10-10-2R-5 TO BE CORRECT AND UPDATED MEASUREMENT TABLE;[02] INSTALLED EWIS PROTECTION @ RH BS 663 UPPER ATTACH ANGLE RBL8- RBL20 WL167 ON FWD AND AFT SIDE OF VAPOR BARRIER IAW AMM 20-60-07-913-801.08] RECEIVED REPAIR PARTS; FILLER REPAIR ANGLE (1EA) RO. 871092-SWA MATERIAL USED 2024T42 CLAD LOT#14193330-1; DOUBLER SPLICE ANGLE (1EA) RO. 871093-SWA MATERIAL USED 2024T42 CLAD LOT#1398503-1. LOCATED;DRILLED AND APPLIED CHEMICAL CONVERSION COATING AND PRIMER ON REPAIR PARTS AND REPAIR AREA; VERIFIED HEAT TREATMENT AND FABRICATION IAW BAC 5602;SRM 57-10-10-2R-5 AND DWG 111A1322.;[09] VERIFIED CORRECTIVED 8;[10] OK TO INSTALL;[11] OK TO INSTALL ANGLE.;[12] INSTALLED REPAIR PARTS; FILLER REPAIR ANGLE (1EA);DOUBLER SPLICE ANGLE (1EA) AT BS 663 RBL6-RBL23 IAW SRM 57-10-10-2R-5 PAR.4 L-N. BONDING TEST PASSED 0.53 MILLIOHMS TOOL USED E12275 DUE DATE 12/2022 IAW SWPM 20-20-00 PAR 15.;

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