Service difficulty report · Angle · Boeing 7378H4

Difficulty date
February 13, 2023
Submitted
March 16, 2023
Operation
Air carrier
Aircraft
N8528Q
Make and model
Boeing 7378H4
Aircraft serial
36927
Aircraft time
19,732 hours, 9,567 cycles
Part
Angle
Condition
Cracked
Location
Zn 100 Fus Lower
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 BS663 UPPER ATTACH ANGLE IS CRACKED ON VAPOR BARRIER RBL8 WL167.68<[01] CORRECTION TO TSK DETAIL SHOULD STATE ' L/H BS663 UPPER ATTACH ANGLE IS CRACKED ON VAPOR BARRIER LBL8 WL167.68 ';[02] VALIDATED APPLICABILITY OF SRM 57-10-10-2R-5;[03] INSTALLED EWIS PROTECTION ON FWD AND AFT SIDE OF VAPOR BARRIER BS663 UPPER ATTACH ANGLE LBL8-LBL20 WL167.68 IAW AMM 20-60-07-913-801. <BR><BR>Ï¿½;[04] PERFORM AN OPEN HOLE HIGH FREQUENCY EDDY CURRENT (HFEC) INSPECTION FOR ALL INITIAL FASTENER HOLES IN THE REPAIR AREA TO MAKE SURE THERE IS NO DAMAGE WITHIN THE REPAIR AREA.;[05] REMOVED DAMAGED SECTION OF LH BS663 VAPOR BARRIER UPPER ATTACH ANGLE LBL8-LBL20 WL167.68 IAW SRM 57-10-10-2R-5.;09] RECEIVED REPAIR PARTS; SPLICE ANGLE RO #905532-SWA AND REPLACEMENT ANGLE RO #905533-SWA.;[10] LOCATED; DRILLED; TRIMMED; DEBURRED; APLLIED CHEMICAL CONVERSION COATING AND PRIMERED REPAIR PARTS @ BS663 VAPOR BARRIER UPPER ATTACH ANGLE LBL8-LBL20 WL167.68 IAW SRM 57-10-10-2R-5. OK TO INSTALL.;[11] VERIFIED CORRECTIVE ACTION 5;9 AND 10.OK TO INSTALL IS GIVEN.;[12] INSTALLED REPAIR PARTS @ LH BS663 VAPOR BARRIER UPPER ATTACH ANGLE LBL8-LBL20 WL167.68 IAW SRM 57-10-10-2R-5. BOND CHECK GOOD. BONDING METER ID: ATS2787 S/N: DC007132 DUE: 08/2023;

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