Service difficulty report · Attach Angle · Boeing 7378H4

Difficulty date
July 21, 2025
Submitted
August 22, 2025
Operation
Air carrier
Aircraft
N8699A
Make and model
Boeing 7378H4
Aircraft serial
36923
Aircraft time
29,624 hours, 14,712 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 ATTACH ANGLE CRACKED ON INBOARD SIDE OF FLEX JOINT @ LBL 9.<[01] REMOVED RIVETS AT L/H STA 663 ATTACH ANGLE COMMON TO VAPOR BARRIER FROM LBL 5 TO LBL 30 PER SRM 51-40-02.;[02] REMOVED CRACKED L ANGLE L/H A/C BAY AFT WALL STA 663 PER SRM 51-00-10.;[03] REJECTION INITIATED ON STEP #3 DUE TO: STEP #1 HAS A ROTABLE COMPONENT REMOVED INSTEAD OF GENERATING A FOUND FAULT FOR THE REMOVAL REQUIREMENT AS MANDATED PER MPM 52.2.1.;;[20] REPLACED L/H BS 663 VAPOR BARRIER LWR ATTACH ANGLE PER SRM 51-40-02 & DWG 111A1000;[21] C/W RII INSPECTION. SEE INDIVIDUAL STEPS FOR WORK ACCOMPLISHED

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