Service difficulty report · Support Angle · Boeing 737823

Difficulty date
August 5, 2021
Submitted
August 9, 2021
Operation
Air carrier
Aircraft
N805NN
Make and model
Boeing 737823
Aircraft serial
31075
Aircraft time
36,163 hours, 14,595 cycles
Part
Support Angle
Condition
Cracked
Location
Bs 663 Rbl 13
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

AIRCRAFT IN BASE MAINTENANCE: CRACK IN UPPER SUPPORT ANGLE OUTBD OF KEEL BEAM AT STA 663.75 AND RBL 13, MEASURING L=0.5 IN, W=0.001 IN, D=0.071 IN. ACCOMPLISHED PERMANENT REINFORCING DOUBLER REPAIR IAW SRM 57-10-10 AND EA 329337.