Service difficulty report · Balance Weight · Boeing 7378H4

Difficulty date
March 23, 2024
Submitted
April 5, 2024
Operation
Air carrier
Aircraft
N8628A
Make and model
Boeing 7378H4
Aircraft serial
42384
Aircraft time
33,352 hours, 15,915 cycles
Part
Balance Weight
Part number
UNKNOWN
Condition
Corroded
Location
Lt Wing
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 WING L/E SPLIT SCIMITAR WINGLET BALLAST WEIGHT IS CORRODED.<[01] REMOVED FASTENERS IN WEIGHTS TO F.O.M.;[02] REMOVED WING TIP PANEL ABOVE WEIGHTS TO F.O.M.;[03] CLEANED PER BAC5748 NO CORROSION NOTED OK TO CONTINUE WITH EA M-27-157-00365.;[04] C/W INSPECTION.;[05] DUE TO WORN FINISH AND CONTAMINATION PRESENT ON ALL OF THE LEFT HAND BALLAST WEIGHTS; ALL OF THE WEIGHTS SHOULD BE REMOVED FOR CLEANUP AND INSPECTION AS NOTED IN MULTI-EA M-22-157-00365; BARCODE TTG8Q00SARPJ.;[06] REJECT: CORRECTIVE ACTION #1 AND #2 INDICATE WORKED PERFORMED BUT DO NOT SPECIFY THE REFERENCE USED AS REQUIRED PER MPM 51.03.01.<BR><BR>PLEASE SEE INSPRJCT PAUSE NOTES UNDER 'TASK INFORMATION' TAB FOR GUIDANCE ON THIS REJECTION.;[07] INSTALLED FASTENERS TO WEIGHTS PER AVIATION PARTNERS BOEING SUPPLEMENT MAINTENANCE 57-44-02. TORQUED AS PER SAME.;[08] INSTALLED WINGTIP PANEL PER SRM 51-40-02.;[09] STEP #8 ENTERED IN ERROR. INCORRECT REFERENCE.;[10] INSTALLED WING TIP PANEL PER AVIATION PARTNERS BOEING SUPPLEMENT MAINTENANCE 57-44-02.;[11] REPAIRED PER EA M-22-157-00365. CLEANED ARE PER SAME; FOUND NO SIGNS OF CORROSION AS PER EA AND GENERAL INSPECTION (GVI) REFERENCE SRM 51-00-06-0G-0.;[12] C/W INSPECTION.;[13] CERTIFIED INSTALLED WING TIP PANEL PER AVIATION PARTNERS BOEING SUPPLEMENT MAINTENANCE 57-44-02

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