Service difficulty report · Support Angle · Boeing 7378H4

Difficulty date
July 13, 2023
Submitted
August 15, 2023
Operation
Air carrier
Aircraft
N8546V
Make and model
Boeing 7378H4
Aircraft serial
63574
Aircraft time
19,785 hours, 9,786 cycles
Part
Support Angle
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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 VAPOR BARRIER TO CENTER TANK LWR SKIN SUPPORT ANGLE CRACKED AT STA 663.75 AND LBL 10<[01] REMOVED FASTENERS AT L/H VAPOR BARRIER TO CENTER TANK LWR SKIN SUPPORT ANGLE STA 663.75 LBL 10 IRW SRM 51-40-02<BR><BR>CUT OUT DAMAGE AT L/H VAPOR BARRIER TO CENTER TANK LWR SKIN SUPPORT ANGLE STA 663.75 LBL 10 IRW SRM 57-10-10-2R-5<BR><BR>FABRICATED REPAIR PARTS (SPLICE 2024T3.071; PO#2025162 AND REPAIR ANGLE 2024T3.063; PO#2021189) AT L/H VAPOR BARRIER TO CENTER TANK LWR SKIN SUPPORT ANGLE STA 663.75 AND LBL 10 AS PER SRM 57-10-10-2R-5<BR><BR>TREATED AND PRIMED L/H REPAIR PARTS AS PER AMM 51-21-41-701 AND AMM 51-21-72-370-804<BR><BR>APPLIED CAP SEAL TO ALL FASTENERS IN REPAIR AREA INCLUDING COLLARS IN CENTER TANK AS PER AMM 51-80-01-0G-0. SQUEEZE OUT TIME 11:45 AM; 7/25/2023; SQUEEZE OUT DRY TIME 1:45PM 7/25/20;[02] VERIFIED STEP 1;[03] CARD COMPLETED ADDING DE LABOR ROW TO CLOSE CARD

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