Service difficulty report · Attach Angle · Boeing 7378H4

Difficulty date
August 18, 2022
Submitted
September 15, 2022
Operation
Air carrier
Aircraft
N8649A
Make and model
Boeing 7378H4
Aircraft serial
42527
Aircraft time
27,113 hours, 12,631 cycles
Part
Attach Angle
Condition
Cracked
Location
Lh Vapor Barrier
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 UPPER ATTACH ANGLE IS CRACKED ON VAPOR BARRIER LBL8 WL167.68 / [01] VALIDATED APPLICABILITY OF SRM 57-10-10-2R-5;[02] INSTALLED EWIS PROTECTION ON FWD AND AFT SIDE OF BS663 VAPOR BARRIER UPPER ATTACH ANGLE LBL8-LBL20 WL167.68 IAW AMM 20-60-07-913-801.;[03] REMOVED DAMAGE SECTION OF BS663 VAPOR BARRIER UPPER ATTACH ANGLE LBL8-LBL20 WL167.68 IAW SRM 57-10-10-2R-5.ACCOMPLISHED HFEC INSPECTION OF OPEN HOLES NO CRACK NOTED IAW 737 NDTM PART 6; 51-00-00 PROCEDURE 16 TOOL# ATS729 CAL. DUE 07/2023; MINI-MITE C018704 CAL. DUE 07/2023.;[08] LOCATED; DRILLED; TRIMMED; DEBURRED; APPLIED 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.; INSTALLED REPAIR PARTS @ 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;[11] VERIFIED CORRECTIVE ACTION 10.;[12] FILLET SEALED; CAP SEALED AND APLLIED CIC TO EXTERNAL SIDE OF REPAIR PARTS @ BS663 VAPOR BARRIER UPPER ATTACH ANGLE LBL8-LBL20 WL167.68 IAW SRM 57-10-10-2R-5. INTERNAL SIDE OF FASTENERS COMMON TO FUEL TANK WILL BE CAP SEALED AND LEAK CHECKED ON CUSTOMER CARD #TTG8Q00E97R3.

More about the Boeing 737-8H4