Service difficulty report · Attach Angle · Boeing 7378H4

Difficulty date
April 11, 2022
Submitted
April 27, 2022
Operation
Air carrier
Aircraft
N8689C
Make and model
Boeing 7378H4
Aircraft serial
36658
Aircraft time
20,145 hours, 9,375 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

BS 663 VAPOR BARRIER UPPER ATTACH ANGLE CRACKED AT L.B.L. 12; W.L. 164. REMOVED DAMAGED SECTION OF VAPOR BARRIER UPPER ATTACH ANGLE IAW SRM 57-10-10-2R-5. INSPECTED ALL INITIAL FASTENER HOLES IN THE REPAIR AREA AND TRIMMED EDGE OF DAMAGE CUTOUT NDT PART 6 51-00-00 PROCEDURES 16 AND 23. NO CRACKS FOUND. LOCATED AND DRILLED NEW ATTACH ANGLE AND SPLICE ANGLE IAW SRM 51-40-05-0G-0 & SRM 57-10-10-2R-5. LOCATED & DRILLED THE ATTACH ANGLE AND SPLICE ANGLE IAW SRM 51-40-05-0G-0 & SRM 57-10-10-2R-5 REPAIR 5. APPLIED CHEMICAL CONVERSION COATING & PRIMER ON REPAIR IAW SRM 57-10-10-2R-5, REPAIR 5. INSTALLED REPAIR IAW SRM 57-10-10-2R-5, REPAIR 5. PERFORMED ELECTRICAL RESISTANCE CHECK CHECKED GOOD IAW SWPM 20-20-00 PAR 15.

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