Electrical

Aircraft departed but pilot could not retract landing gear. Pilot diverted to nearby airport without problems. Maintenance found a broken wire at the gear selector switch. Repaired wire, ops checks good.Part Total Time: 15,557 hours

Editorial Staff

Friday, October 31, 2014 at 12:00 AM ET

Verified

Key Takeaways:

Aircraft system malfunctions are frequently caused by various wiring problems, including breaks, chafing, melting, and shorts.
Root causes for these wiring failures often involve mechanical stress from repeated movement, inadequate routing or protection during installation, and faulty connections or components like improper crimps and splices.
These issues can lead to critical operational failures affecting systems such as landing gear retraction, engine performance, and essential warning lights.

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Beechcraft Model 58 Baron
Broken Gear Selector Wiring
Aircraft departed but pilot could not retract landing gear. Pilot diverted to nearby airport without problems. Maintenance found a broken wire at the gear selector switch. Repaired wire, ops checks good.
Part Total Time: 15,557 hours

Cirrus SR20
Failed Magneto
While taxiing to ramp after a flight, engine vibrated and misfired at or below 1000 rpm. Problem traced to right magneto. Examination revealed the coils primary lead to the points had broken. Coil lead wire had not been crimped properly.
Part Total Time: 1148 hours