Boeing 737-222 N12235
15 July 1992 · Oklahoma City, Oklahoma, United States · No injuries
Summary
On 15 July 1992 at about 21:15 local time, a Boeing 737-222 registered N12235, operated by Continental Airlines, Inc., was involved in an incident near Oklahoma City, Oklahoma, United States. 88 people were on board and nobody was injured. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 21:15
- Classification
- Incident
- Location
- Oklahoma City, Oklahoma, United States
- Coordinates
- 35.4202, -97.3903
- Aircraft
- Boeing 737-222
- Registration
- N12235
- Category
- Airplane
- Engines
- 2
- Operator
- Continental Airlines, Inc.
- Operating rule
- Part 121: Air Carrier
- Purpose of flight
- Unknown
- Phase of flight
- Not recorded
- Route
- Denver → Unknown
- Aircraft damage
- Not recorded
- Weather
- VMC
- Light
- Day
- NTSB number
- FTW92IA184
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 88 | 0 | 0 | 0 | 88 |
Probable cause
HYDRAULIC FLUID EXHAUSTION DUE TO THE CHAFED 'A' SYSTEM HYDRAULIC LINE AND THE IMPROPER INSTALLATION BY UNKNOWN MAINTENANCE PERSONNEL OF THE 'B' SYSTEM LINE.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
THE AIRPLANE EXPERIENCED A DUAL HYDRAULIC SYSTEM FAILURE DURING FINAL APPROACH. THE CAPTAIN ELECTED TO GO AROUND AND LAND AT A NEARBY MILITARY AIRPORT THAT HAD LONGER RUNWAYS. THE LANDING WAS UNEVENTFUL. INVESTIGATION REVEALED THAT A HOLE HAD BEEN CHAFED THROUGH A RETURN LINE IN THE 'A' HYDRAULIC SYSTEM AT A BRACKET IN THE LEFT WHEEL WELL AREA. IT WAS ALSO DETERMINED THAT AN 'A' SYSTEM AND A 'B' SYSTEM RETURN LINE HAD BEEN CROSS CONNECTED IN THE AREA OF THE NO. 1 PYLON. THE CROSS CONNECTED LINES ALLOWED THE 'B' SYSTEM FLUID TO TRANSFER INTO THE 'A' SYSTEM AND VENT OVERBOARD. BOTH HYDRAULIC SYSTEMS, INDICATIONS AND READINGS, AND TESTS WERE NORMAL UNTIL THE HOLE WAS CHAFED THROUGH THE 'A' SYSTEM LINE. A MAINTENANCE RECORD REVIEW COULD NOT DETERMINE AT WHAT POINT IN TIME THE LINES HAD BEEN REVERSED.
Quoted verbatim from the NTSB record.
Other Boeing 737 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 12 Oct 1992 | Boeing 737-300 | Pittsburgh, Pennsylvania, United States | Usair | No injuries | - |
| 27 Aug 1992 | Boeing 737-200 | Miami, Florida, United States | Carnival Airlines | Serious injuries | - |
| 8 Dec 1992 | Boeing 737-300LR | Flushing, New York, United States | Usair | Fatal | - |
| 15 May 1992 | Boeing 737-200 | Palacios, Texas, United States | Southwest Airlines Co. | Serious injuries | - |
| 7 Jun 1992 | Boeing 737-204 | Tucuti, Panama | Copa Airlines | Unknown | - |
| 3 Aug 1992 | Boeing 737-300 | Springfield, Missouri, United States | Southwest Airlines, Inc. | Serious injuries | - |
All 1,317 records for this type
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 23 Feb 1992 | Ryan NAVION A | Oklahoma City, Oklahoma, United States | Hopcus, Jerry A. | Serious injuries | - |
| 27 Feb 1992 | Cessna 172F | Mc Alester, Oklahoma, United States | CAC, Inc. | Minor injuries | - |
| 8 Mar 1992 | Piper PA-28-180 | Mangum, Oklahoma, United States | Stanley R. Wright | Serious injuries | - |
| 29 Feb 1992 | Burnett TEENIE II | Edmond, Oklahoma, United States | Zinn, Albert M. | Minor injuries | - |
| 30 Mar 1992 | Weatherly 201B | Weatherford, Oklahoma, United States | Ruben J. James | No injuries | - |
| 31 Mar 1992 | Cessna T188C | Cordel, Oklahoma, United States | Greggory L. Little | No injuries | - |