Service difficulty report · Retainer · Boeing 73771B

Difficulty date
September 14, 2024
Submitted
October 23, 2024
Operation
Air carrier
Aircraft
N7854B
Make and model
Boeing 73771B
Aircraft serial
29372
Aircraft time
51,205 hours, 33,957 cycles
Part
Retainer
Condition
Corroded
Location
Zone 500
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

CORROSION ON NUTPLATE RETAINER INTERNAL CAVITY LEADING EDGE LOCATED ORSS 449 AT LT WING 2024-572786<[01] REPLACED NUTPLATE RETAINER ( GANG CHANNEL) INTERNAL CAVITY LEADING EDGE LOCATED ORSS 449 AT LT AND PERFORMED GENERAL VISUAL INSPECTION ON ADJACENT AREA AND NOT FOUND DAMAGE I.A.W B737-700 SRM 51-10-02 ITEM 9 ; SRM 51-40-02 AND DWG 112A4402 SHEET 13;[02] CORRECTED STEP 1: REPLACED NUTPLATE RETAINER ( GANG CHANNEL) INTERNAL CAVITY LEADING EDGE LOCATED ORSS 449 AT LT AND PERFORMED GENERAL VISUAL INSPECTION ON ADJACENT AREA AND NOT FOUND DAMAGE I.A.W B737-700 SRM 51-10-02 ITEM 9 ; SRM 51-40-02 AND DWG 112A4402 SHEET 13; REV-;[03] TASK COMPLETED

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