Service difficulty report · Fitting · Boeing 7377H4

Difficulty date
January 23, 2023
Submitted
February 8, 2023
Operation
Air carrier
Aircraft
N407WN
Make and model
Boeing 7377H4
Aircraft serial
29817
Aircraft time
71,833 hours, 42,592 cycles
Part
Fitting
Part number
NOTREPORTED
Condition
Cracked
Location
Zn 600 Right Win
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

R/W REAR SPAR LOWER T/E PANEL 651GB FWD WIGGLE FITTING CRACKED ; SHEARED FASTENERS<[01] LOCATED AND DRILLED NEW R/W REAR SPAR LOWER T/E PANEL 651GB FWD WIGGLE FITTING AS PER B737-700 SRM 51-40-05-0G-0;[02] VALIDATED STEP 1<BR><BR><BR>OK TO INSTALL NEW UNIT;[03] INSTALLED NEW R/W REAR SPAR LOWER T/E PANEL 651GB FWD WIGGLE FITTING AS PER B737-700 SRM 51-40-02-0G-0 AND DWG NO 115A2001;[04] [FINAL] VALIDATED STEP 3;[05] LATE ENTRY:PERFORMED BONDING CHECK AND FOUND NORMAL PER REF. SWPM 20-20-00.<BR>USED TOOL B/C 160450 CALIBRATION DUE: 06-DEC-23;[06] VALIDATED STEP 5

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