Service difficulty report · Skin · Boeing 737*

Difficulty date
November 22, 2021
Submitted
November 29, 2021
Operation
Air carrier
Aircraft
N821NN
Make and model
Boeing 737*
Aircraft serial
30912
Aircraft time
36,003 hours, 14,648 cycles
Part
Skin
Condition
Cracked
Location
Zone 300 - Stabs
Stage of operation
IN
How discovered
V
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 FOUND IN LOWER SKIN OF LEFT HORIZONTAL STABILIZER LOCATED AT STA 138.7, LEFT BUTT LINE 101.12. INSTALLED DOUBLER REPAIR PER SRM 55-10-01.