- Date
- June 10, 2015, 12:00 local (17:00 UTC)
- Place
- Galesburg, IL
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Unknown
- Aircraft
- N740SPCessna 172S
- Defining event
- Unknown: Unknown or undetermined
- Weather
- Not reported
- Status
- Completed · report August 12, 2015
- Report
- Approved by Office Director
- NTSB office
- General Aviation Accidents
- Parties
- Springfield FSDO (FAA)
- FAA report
- 20150610008689A
- Case key
- 91510
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Probable cause
Firewall damage reported by maintenance personnel that occurred during an unknown phase of flight, because the accident flight and pilot could not be determined.
Findings · 1
NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.
Sequence of events
The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.
Analysis
During a 50 hour maintenance inspection, an airframe and power plant mechanic discovered that the airplane's firewall was substantially damaged. The operator was not able to determine when the accident flight occurred or the pilot responsible. The airplane's last maintenance inspection occurred about three months prior to the discovery. Numerous pilots flew the airplane during that period, none of which reported an event that would result in damage to the airplane.
Factual narrative
During a 50 hour maintenance inspection, an airframe and power plant mechanic discovered that the airplane's firewall was substantially damaged. The operator was not able to determine when the accident flight occurred or the pilot responsible. The airplane's last maintenance inspection occurred about three months prior to the discovery. Numerous pilots flew the airplane during that period, none of which reported an event that would result in damage to the airplane.
Aircraft
- Registration
- N740SP
- Reported as
- Cessna 172S (S)
- Category
- Airplane
- Serial number
- 172S8671
- Built
- 2000
- Airframe hours
- 4,919.4
- Engine
- Lycoming IO-360, 180 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Part 91
- Operator
- Jet Air Inc
- Registered owner
- Jet Air Inc
- Airworthiness certificate
- Standard, Normal
- Last inspection
- Annual · March 13, 2015
- Flight plan
- Unknown
- Equipment
- Auto-pilot
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Weather
- Conditions
- Not reported
- Icing
- Unknown
- Turbulence
- Unknown
Docket · 2
The files NTSB released with the investigation on August 3, 2015, on NTSB’s docket system: statements, records, photos and specialists’ reports. 1.9 MB in all.
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.
Other investigations on N740SP · 2
Matched to the same aircraft by N-number and date.