Service difficulty report · Vapor Barrier · Boeing 7378H4

Difficulty date
October 8, 2024
Submitted
November 6, 2024
Operation
Air carrier
Aircraft
N8671D
Make and model
Boeing 7378H4
Aircraft serial
36715
Aircraft time
30,276 hours, 14,648 cycles
Part
Vapor Barrier
Condition
Cracked
Location
Zone 100
Stage of operation
IN
How discovered
V
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 A/C BAY AFT WALL UPPER ANGLE TO VAPOR BARRIER CRACKED AT FASTENER HOLE AT APPROX. STA.663; LBL-9'.<[01] REMOVED FASTENERS FOR VAPOR BARRIER ANGLE REPAIR IAW SRM 57-10-10-2R-5.;[02] CUT OUT VAPOR BARRIER ANGLE FOR REPAIR;[03] ACCOMPLISHED HFEC HOLE PROBE AND SURFACE INSPECTION OF REPAIR AREA PER NDT PART 6 50-00-00 PROC. 16 AND 51-00-00 PROC. 23 NO DEFECTS NOTED. C/W INSPECTION OF CORRECTIVE ACTION STEP # 1.;[04] FABRICATED REPLACEMENT ANGLE AND REPAIR SPLICE ANGLE PER SRM 57-10-10-2R-5. MATERIAL ID FOR REPLACEMENT ANGLE IS .063? 2024-T3 AND REPAIR SPLICE ANGLE IS .071? 2024-T3.;[05] LOCATED AND DRILLED FASTENER HOLES ON VERTICAL FLANGE (VAPOR BARRIER ATTACH FASTENERS) OF REPAIR PARTS PER SRM 57-10-10-2R-5.;[06] APPLIED ALODINE AND PRIMER TO REPAIR PARTS PER SRM 57-10-10-2R-5; STEPS 4.F.-4.G.;[07] VERIFIED CORRECTIVE ACTIONS # 4;5; AND 6;[08] INSTALLED REPAIR PARTS I.A.W SRM 57-10-10-2R-5.;[09] C/W INSPECTION;[10] C/W RII INSPECTION

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