# Incident 19960430014749I: Boeing 7373H4, Ontario, CA, April 30, 1996

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: April 30, 1996, 14:36 local time
- Place: Ontario, CA
- Airport: Ontario International Airport
- Damage: Minor damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: Air carrier (Part 121)
- Operator: SWAA
- Location: 34.0204° N, 117.5794° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=34.0204&lon=-117.5794&mi=10
- Aircraft: N331SW, a cancelled registration (https://openairdocs.org/deregistered/N331SW-2012-12-03) (OpenAirDocs)
- Registry model: Boeing 737-3H4 (registry code 138447K, https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Registry engine: CFM International CFM56 series (registry code 13802, https://openairdocs.org/engine/cfm-international-cfm56-series) (OpenAirDocs)
- Reported make and model: BOEING 7373H4
- Reported engine: GE CFM56*
- People aboard: 132
- Fatal injuries: 0
- Pilot flight hours: 12,500 total, 5,600 in this make and model, 240 in the last 90 days
- NTSB investigation: [NTSB LAX96IA184](https://openairdocs.org/ntsb/LAX96IA184) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19960430014749I

## Narrative

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

NARRATIVE: ON TUESDAY, APRIL 30, 1996 RODGER WAYS, PIC, AND SUSAN CARRITHERS, SIC, DEPARTED LAS VEGAS, NV AT 1200 IN A BOEING B-737-3H4 CARRYING A TOTAL OF 132 PERSONS. THEY WERE SCHEDULED TO LAND AT BURBANK, CA AND DEVIATED TO ONTARIO, CA WHEN THE LEFT MAIN GEAR WOULD NOT FULLY EXTEND. ALL PASSENGERS WERE EVACUATED FROM THE LEFT REAR DOOR WITH THE EVACUATION SLIDE. NO REPORTED INJURIES OCCURRED. THE MAINTENANCE CREW STATED THAT THE LEFT OLEO STRUT WAS EXTENDED THREE INCHES MORE THAN THE RIGHT WHEN THE AIRCRAFT WAS PLACED ON JACKS. THERE WAS EVIDENCE OF HYDRAULIC FLUID IN THE LEFT WHEEL WELL AND UNDERNEATH THE FUSELAGE. THE LANDING GEAR WAS DISASSEMBLED AT BOEING AIRCRAFT COMPANY IN SEATTLE, WA. THE SNUBBER VALVE AND INNER SHELL ASSEMBLY APPEARED SCORED AND THE OUTER SHELL ASSEMBLY WAS BROKEN IN PIECES. A SERVICE DIFFICULTY REPORT WAS SUBMITTED BY SOUTHWEST AIRLINES THROUGH THE CERTIFICATE MANAGEMENT OFFICE AT DFW FSDO. THIS INCIDENT INVESTIGATION IS NOW CLOSED.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX96IA184](https://openairdocs.org/ntsb/LAX96IA184), Apr 30, 1996: Boeing 737-300-3H4 (N331SW), Ontario, CA, incident, minor damage. Probable cause: The repair facility's improper assembly of the landing gear oleo strut during overhaul.

## Other reports on N331SW (2)

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

- [Incident 19921113055349I](https://openairdocs.org/incident/19921113055349I), Nov 13, 1992: Boeing 7373H4 (N331SW), Ontario, CA, Minor damage. Passenger had 3 acid filled glass containers in baggage.1 broke, fumes in compartment. 4 ground crew overcome.
- [Incident 19910521020849I](https://openairdocs.org/incident/19910521020849I), May 21, 1991: Boeing 7373H4 (N331SW), Las Vegas, NV. Lost cabin pressurization on descent. Executed emergency descent. No discrepancies found.

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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