SDR AALA202502283417

Service difficulty report · Tab · Boeing 737823

Difficulty date: February 13, 2025
Submitted: February 28, 2025
Operation: Air carrier
Aircraft: N824NN
Make and model: Boeing 737823
Aircraft serial: 30916
Aircraft time: 43,762 hours, 18,506 cycles
System (JASC): 5523 · Elevator, Tab Structure
Part: Tab
Condition: Corroded
Location: Zone 300
Stage of operation: IN
How discovered: C
Nature of condition: L
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 ON RIGHT ELEVATOR TAB CONTROL MECHANISM SPRINGS SUPPORT BUSHINGS. REMOVED AND REPLACED RIGHT HAND ELEVATOR TAB CONTROL MECHANISM FORWARD AND AFT BUSHING. PER B737-NG AMM 27-31-34. PERFORMED SATISFACTORY ELEVATOR AND ELEVATOR TRIM CONTROL SYSTEM. PER B737-NG AMM 27-31-00-710-801, PERFORMED SATISFACTORY ELEVATOR TAB CONTROL SYSTEM, PER B737-NG AMM 27-31-00-700-815 NO DEFECTS NOTED.