Service difficulty report · Attach Angle · Boeing 7378H4

Difficulty date
January 8, 2026
Submitted
January 28, 2026
Operation
Air carrier
Aircraft
N8524Z
Make and model
Boeing 7378H4
Aircraft serial
36970
Aircraft time
29,756 hours, 14,993 cycles
Part
Attach Angle
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

BS 663 VAPOR BARRIER UPPER ATTACH ANGLE IS CRACKED AT RBL 34. ACCOMPLISHED EA M-22-153-01266 FOR PANELS 193AL & 193AR. (TTG8Q019Y6RA). REINSTALLED PANEL 193AR IAW AMM 53-51-21-400-802. TESTED GOOD. REMOVED AND INSTALLED UPPER ATTACH ANGLE BS 663 IAW SRM 51-40-02-0G-0, DWG 111A1000 0047, REV A, & DWG 111A1000 REV A.

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