# Incident 19940131007689I: Cessna 310Q, San Juan, Puerto Rico, January 31, 1994

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: January 31, 1994, 10:14 local time
- Place: San Juan, Puerto Rico
- Airport: Luis Munoz Marin International
- Damage: Minor damage
- Phase of flight: Roll-Out (Fixed Wing)
- Operating rules: General operating rules (Part 91)
- Location: 18.4394° N, 66.0021° W: Placed by OpenAirDocs at LUIS MUNOZ MARIN INTL (SJU), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=18.4394&lon=-66.0021&mi=10
- Aircraft: N69622, registered now (https://openairdocs.org/aircraft/N69622) (OpenAirDocs)
- Registry model: Cessna 310Q (registry code 2074242, https://openairdocs.org/model/cessna-310q) (OpenAirDocs)
- Registry engine: Continental I0-470 series (registry code 17027, https://openairdocs.org/engine/continental-i0-470-series) (OpenAirDocs)
- Reported make and model: CESSNA 310Q
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 9,400 total, 5,500 in this make and model, 29 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19940131007689I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

NARRATIVE: ON JANUARY 31, 1994, MR. WALTER C. DIETRICH, PIC OF CESSNA 310, N69622, EXPERIENCED RIGHT LANDING GEAR EXTENSION PROBLEMS DURING AN AERIAL SURVEY MISSION. ACCORDING TO MR. DIETRICH WHILE HE WAS 7 MILES WEST ON A STRAIGHT IN VFR APPROACH TO RUNWAY 09 AND AFTER LOWERING THE LANDING GEAR, ONLY THE NOSE AND LEFT MAIN SHOWED GREEN LIGHT AS BEING DOWN AND LOCKED, BUT NO INDICATION FOR THE RIGHT MAIN GEAR. DUE TO THE SITUATION DESCRIBED ABOVE HE FLEW WEST AND ATTEMPTED TO LOWER THE LANDING GEAR BY ALTERNATE MEANS. HE RETRACTED AND LOWERED THE LANDING GEAR THREE TIMES WITH NO RESULT. THEN USED THE MANUAL HANDCRANK SYSTEM WITH THE SAME RESULTS. HE MADE TWO LOW APPROACHES PAST THE TOWER AND GROUND CREWS TO SEE WHAT THEY COULD TELL. ALL THREE LANDING GEARS WERE EXTENDED BUT COULD NOT TELL IF THE RIGHT MAIN WAS LOCKED IN THE DOWN POSITION. A LANDING WAS EXECUTED AND DURING THE LANDING ROLL THE RIGHT MAIN GEAR COLLAPSED. THE AIRPLANE STEERED TO RIGHT AND STOPPED IN THE GRASS AREA WITH ONLY MINOR DAMAGES. THE AIRPLANE WAS TAKEN TO HILL AVIATION'S MAINTENANCE HANGAR AND WAS PUT IN JACKS. A FREE FALL EXTENSION WAS EXECUTED AND FOUND THAT THE RIGHT MAIN GEAR BELLCRANK ASSEMBLY, PART NO 5041018-1). THIS PIN CONNECTS THE BELLCRANK ASSEMBLY WITH THE BRACKET SWITCH (PART NO. 0841235-3).

## Other reports on N69622 (1)

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

- [Incident 19980110004389I](https://openairdocs.org/incident/19980110004389I), Jan 10, 1998: Cessna 310Q (N69622), Philadelphia, PA, Minor damage. Narrative: shortly after take off the landing gear was selected to the up position and the retraction sequence began. The nose gear failed to completely…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft 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. For accidents, the NTSB's own investigation is the fuller record.

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