Service difficulty report · Union · Boeing 737823

Difficulty date
August 19, 2026
Submitted
August 21, 2026
Operation
Air carrier
Aircraft
N924NN
Make and model
Boeing 737823
Aircraft serial
33486
Aircraft time
39,461 hours, 17,124 cycles
Part
Union
Condition
Corroded
Location
Zone 300
Stage of operation
IN
How discovered
O
Nature of condition
K, J
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: WHILE PERFORMING JC 08T33027001, FOUND CORROSION ON LT ELEVATOR TAB LOCK ACTUATOR HYDRAULIC UNION FITTING. MAINTENANCE REPLACED HYDRAULIC UNION FITTING ON LT ELEVATOR TAB LOCK ACTUATOR IAW AMM 27-31-34.