Service difficulty report · Angle · Boeing 737823

Difficulty date
June 28, 2021
Submitted
July 13, 2021
Operation
Air carrier
Aircraft
N842NN
Make and model
Boeing 737823
Aircraft serial
31099
Aircraft time
33,780 hours, 13,752 cycles
Part
Angle
Part number
147A57102
Condition
Corroded
Location
Zone 100
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: CORROSION OF Z-ANGLE AT STA 990 BETWEEN RBL 34 AND RBL 47, MEASURING L=0.25 IN, W=0.5 IN, D=0.04 IN. REPLACED Z-ANGLE WITH NEW IAW AARD 51-00-05-1.