Service difficulty report · Fitting · Boeing 737823

Difficulty date
March 6, 2025
Submitted
March 7, 2025
Operation
Air carrier
Aircraft
N920AN
Make and model
Boeing 737823
Aircraft serial
29521
Aircraft time
62,797 hours, 25,848 cycles
Part
Fitting
Part number
111A24011
Condition
Cracked
Location
Zone 100
Stage of operation
IN
How discovered
W
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

AIRCRAFT IN BASE MAINTENANCE: CRACK IN CENTER WING BOX FORWARD SPAR UPPER SHEAR FITTING AT BS 540 AND RBL 54.60. REPLACED SHEAR FITTING PER AARD 57-14-00-1 REPAIR 1. THIS ACCOMPLISHES BOEING SB-737-57-1309.