Service difficulty report · Panel · Boeing 737*

Difficulty date
November 17, 2021
Submitted
November 22, 2021
Operation
Air carrier
Aircraft
N475WN
Make and model
Boeing 737*
Aircraft serial
32474
Aircraft time
58,806 hours, 34,711 cycles
Part
Panel
Condition
Corroded
Location
Fuselage
Stage of operation
UK
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

FUEL PANEL 532QB HAS FRETTING CORROSION AT RING MATTING SURFACE ; / [01] REMOVED DAMAGE AND EVALUATED MATERIAL LOSS TO BE .007'; ORIG .275'; REMAINING .268' IAW SRM 57-20-01-2R-1 TOOL ID 41391 CAL DUE 09-08-22; [02] VERIFIED ITEM 1; [03] ROTO PEENED FUEL PANEL IAW SRM 57-20-01-2R-1 4H.; [04] VERIFIED ITEM 3; [05] FOR ABOVE STEP 1 USED 10X MAG TO VERIFY DAMAGE REMOVAL IAW SRM 57-20-01-2R-1.<BR>FOR ABOVE STEP 3 USED AAR TOOL 7995 CAL DUE 04-09-22.; [06] RESTORED FINISH ON FUEL PANEL 532QB IAW SRM 57-20-01-2R-1. 4J-K.; [07] OK TO TREAT<BR><BR>VERIFIED STEP 6 <BR><BR>AUDIT C/W