Airframe Vibration due to the Elevator

TASK 27-30-00-810-850-A
Airframe Vibration due to the Elevator

1. Possible Causes

elevator servo controls and hinge bearings

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TSM TASK 05-50-00-810-801-A	Identification of the Cause of In-Flight Airframe Vibrations and/or Noises
AMM 27-34-00-200-001	Check of the Elevator Servo Controls and Hinge Bearings for Excessive Play and Condition
AMM 27-34-00-820-003	Adjustment of the Elevator and Hydraulic Actuation with the Gauge-Elevator Neutral Setting (98D27309002000)
AMM 55-26-00-200-002	Check of Elevator Attachment Fittings for Wear, LH/RH

3. Fault Confirmation
Subtask 27-30-00-700-136-A

A. Test
Make sure that the identification of the cause of the vibrations is correct (Ref. TSM TASK 05-50-00-810-801).

4. Fault Isolation
Subtask 27-30-00-810-097-A

A. If you feel vibrations in the rear cabin:
(1) Do a check of the elevator servo controls and hinge bearings for too much play and condition AMM 27-34-00-200-001.
(2) Do a check of the adjustment of the elevator and hydraulic actuation AMM 27-34-00-820-003
(3) If the fault continues, do an inspection/check of the elevator attach fittings AMM 55-26-00-200-002.

[Rev.8 from Aug 2018] 2026.04.04 04:38:44 UTC