Service difficulty report · Attach Angle · Boeing 7378H4

Difficulty date
November 10, 2022
Submitted
November 29, 2022
Operation
Air carrier
Aircraft
N8512U
Make and model
Boeing 7378H4
Aircraft serial
38816
Aircraft time
20,066 hours, 9,602 cycles
Part
Attach Angle
Condition
Cracked
Location
Bs 663
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 LBL8 WL167.68 / [01] VALIDATED APPLICABILITY OF SRM 57-10-10-2R-5;[06] RECEIVED REPAIR PARTS FOR BS663 VAPOR BARRIER UPPER ATTACH ANGLE LBL8-LBL20 WL167.68: SPLICE ANGLE RO#891810-SWA REPLACEMENT ANGLE RO#891809-SWA.;[07] HFEC INSPECTED OPEN HOLES IAW 737 NDTM PART 6 51-00-00 PROCEDURE 16. <BR>NO CRACKS NOTED. <BR>EQUIP USED: <BR>-NORTEC 600 ID: ATS2353 CAL DUE: 01/23 <BR>-MINIMITE ID: ATS1411 CAL DUE: 07/23;[08] VERIFIED CORRECTIVE ACTION 3 AND 6.<BR>PERFORM A DETAILED INSPECTION OF THE REPAIR AREA AND THE UNDERLYING STRUCTURE IAW SRM 57-10-10-2R-5 STEP 4. D.;[09] LOCATED; DRILLED; TRIMMED; DEBURRED; APPLIED CHEMICAL CONVERSION COATING AND PRIMERED REPAIR PARTS @ LH BS663 VAPOR BARRIER UPPER ATTACH ANGLE LBL8-LBL20 WL167.68 IAW SRM 57-10-10-2R-5.;[10] OK TO INSTALL REPAIR PARTS @ LH BS663 VAPOR BARRIER UPPER ATTACH ANGLE LBL8-LBL20 WL167.68.;[11] VERIFIED CORRECTIVE ACTION 9.<BR>OK TO INSTALL REPAIR PARTS;[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 IAW SRM 57-10-10-2R-5. BONDING METER ID: E9332 S/N: 1009 DUE:10/2023.

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