Service difficulty report · Strut · Boeing 737

Difficulty date
June 20, 2022
Submitted
June 30, 2022
Operation
Air carrier
Aircraft
N818AL
Make and model
Boeing 737
Aircraft serial
40636
Aircraft time
19,454 hours, 2,828 cycles
Part
Strut
Part number
152Z27333
Condition
Broken
Location
Zone 500 - Lh Wi
Stage of operation
AP
How discovered
V
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT WAS GROUNDED: FLAP DRIVE EICAS MESSAGE ON APPROACH TO LIS. EMERGENCY DECLARED; FLIGHT LANDED SAFELY. #4 GEARED ROTARY ACTUATOR REPLACED PER AMM 27-51-00A-720A-A (AALA202206305038). REPLACED 6 BROKEN STRUT ASSEMBLIES ON LEFT INBOARD WING ABOVE #12 FLAP TORQUE TUBE PER AMM 57-51-10 (AALA202206305270, AALA202206308288, AALA202206308669, AALA202206309409, AALA202206302580, AALA202206309587). REPLACED SHEARED LEFT INBOARD FLAP TORQUE TUBE #12 PER AMM 27-51-34-01A-520A (AALA202206303456). REPLACED LEFT WING INBOARD AND OUTBOARD FLAP POSITION SENSORS PER AMM 27-58-03-00A-522 AND AMM 27-58-03-00A-720A-A (AALA202206303367, AALA202206306230). COMPLETED PRIMARY FLIGHT CONTROL SYSTEM OPERATIONAL CHECK OF ACTUATION CONFIDENCE FCM L AND ELECTRONICS MONITORS FCM L. ALSO COMPLETED HIGH LIFT SYSTEM TEST OF FLAP/SLAT PRIMARY FCM C. ALL SYSTEM CHECKS NORMAL PER AMM 45-11-00.