20180208023729I

Incident · Minor damage

FAA incident report · Cessna 172R · Nasvhille, TN · February 8, 2018

Date: February 8, 2018 · 06:45 local
Place: Nasvhille, TN
Phase of flight: Taxi
Operating rules: Pilot school (Part 141)
Operator: 1WES
Damage: Minor damage
Aircraft: N35491
Reported as: Cessna 172R
People aboard: 2
Fatal injuries: 0
Other injuries: 0

N35491Registered now · Cessna 172RS/N 17281069 Airframe modelCessna 172R

From the FAA’s Accident/Incident Data System (AIDS), through its Aviation Safety Information Portal, as reported. The NTSB investigates accidents separately, and its record of an accident is the fuller one. The aircraft is matched to the registry by N-number and event date, checked against the reported make and model; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

What happened

The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.

Aircraft was taxiing out for departure and veered off taxiway. Aircraft experienced brake failure in a turn, exiting the taxiway and striking a taxiway light with the propeller. The aircraft stopped approximately 8 feet off of taxiway.

Mechanical contibuting factors: master cylinder behind pilot brake pedal had evidence of substantial leak. Evidence and interviews with maintenance staff support this as causal factor to incident.

Pilot contributing factors: no contributing factors noted from pilot . Proper preflight and taxi tests were conducted. After discovering aircraft had experienced brake failure, pilot made timely response to pull mixture idle cutoff. Aircraft speed was normal. No negligence or safety risks were identified. Pilot provided documentation of currency.

Safety recommendations to reduce future occurrence: include an examination for leaking fluid in proximity to master cylinder during preflight.

As the FAA filed it

AIRCRAFT WAS TAXIING OUT FOR DEPARTURE AND VEERED OFF TAXIWAY. AIRCRAFT EXPERIENCED BRAKE FAILURE IN A TURN, EXITING THE TAXIWAY AND STRIKING A TAXIWAY LIGHT WITH THE PROPELLER. THE AIRCRAFT STOPPED APPROXIMATELY 8 FEET OFF OF TAXIWAY.

MECHANICAL CONTIBUTING FACTORS: MASTER CYLINDER BEHIND PILOT BRAKE PEDAL HAD EVIDENCE OF SUBSTANTIAL LEAK. EVIDENCE AND INTERVIEWS WITH MAINTENANCE STAFF SUPPORT THIS AS CAUSAL FACTOR TO INCIDENT.

PILOT CONTRIBUTING FACTORS: NO CONTRIBUTING FACTORS NOTED FROM PILOT . PROPER PREFLIGHT AND TAXI TESTS WERE CONDUCTED. AFTER DISCOVERING AIRCRAFT HAD EXPERIENCED BRAKE FAILURE, PILOT MADE TIMELY RESPONSE TO PULL MIXTURE IDLE CUTOFF. AIRCRAFT SPEED WAS NORMAL. NO NEGLIGENCE OR SAFETY RISKS WERE IDENTIFIED. PILOT PROVIDED DOCUMENTATION OF CURRENCY.

SAFETY RECOMMENDATIONS TO REDUCE FUTURE OCCURRENCE: INCLUDE AN EXAMINATION FOR LEAKING FLUID IN PROXIMITY TO MASTER CYLINDER DURING PREFLIGHT.

Other reports on N35491 · 1

Matched to the same aircraft by N-number and date.

Accident 20220619010669ALanding: Touchdown · Owensboro, KYThis flight was the student pilot?s initial solo cross-country. He had received the required training and endorsements for the flight. The student received most of his flight training at an uncontrolled field and stated that he felt comfortable talking to ATC…Jun 19, 2022 · Substantial damage