# NTSB investigations: Pratt & Whitney JT8D-9 series

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

Page 1 of 2 · 74 cases

## Latest cases

- [NTSB DCA18CA056](https://openairdocs.org/ntsb/DCA18CA056.md): Mcdonnell Douglas DC 9 33F · Bethel, AK · Accident · No injuries · Data collection · Final report · Dec 23, 2017 · N935CE · Substantial damage
  > failure of a cargo tie-down fastener, resulting in unsecured cargo striking the pressure bulkhead.
- [NTSB DCA08RA077](https://openairdocs.org/ntsb/DCA08RA077.md): Mcdonnell Douglas DC-9-15 · Saltillo, Mexico · Accident · 1 fatal · Foreign investigation · Jul 6, 2008 · N199US · Destroyed
  > import
- [NTSB CHI05MA111](https://openairdocs.org/ntsb/CHI05MA111.md): McDonnell Douglas DC-9-51 · Minneapolis, MN · Accident · Serious injuries · Major investigation · Final report · May 11, 2005 · N763NC · 2 aircraft · Substantial damage
  > the Captain of the other aircraft's decision to shutdown the left engine during taxi with no hydraulic pressure on the right side hydraulic system to effectively operate the brakes, steering, or thrust reversers. A factor was the fatigue fracture of the…
- [NTSB NYC02LA056](https://openairdocs.org/ntsb/NYC02LA056.md): McDonnell Douglas DC-9-32 · Dulles, VA · Accident · No injuries · Limited investigation · Final report · Jan 20, 2002 · N837AT · Substantial damage
  > The lack of direction from the operator on how to perform pushbacks on an icy ramp, which led to the tug driver positioning the tug at an angle to the nose of the airplane that allowed the airplane to move forward and strike the tug. Factors were the…
- [NTSB ATL02LA029](https://openairdocs.org/ntsb/ATL02LA029.md): Boeing 727-200 · Greenville, SC · Accident · No injuries · Limited investigation · Final report · Jan 3, 2002 · N262FE · Substantial damage
  > The tug driver's failure to maintain control of the airplane during pushback resulting in the tug colliding with the airplane. A factor was ice on the ramp.
- [NTSB NYC01FA062](https://openairdocs.org/ntsb/NYC01FA062.md): McDonnell Douglas DC-9-51 · Jamaica, NY · Accident · No injuries · Field investigation · Final report · Dec 28, 2000 · N769NC · Substantial damage
  > The low cycle fatigue fracturing of the approach lighting cover securing bolts.
- [NTSB LAX00IA127](https://openairdocs.org/ntsb/LAX00IA127.md): Boeing 727-232 · San Francisco, CA · Incident · No injuries · Incident investigation · Final report · Mar 14, 2000 · N516DA · Minor damage
  > failure of the right main landing gear to fully extend for undetermined reasons.
- [NTSB CHI00IA087](https://openairdocs.org/ntsb/CHI00IA087.md): McDonnell Douglas DC9-32 · Milwaukee, WI · Incident · No injuries · Incident investigation · Final report · Jan 31, 2000 · N203ME · Minor damage
  > the chafing of the internal water heater wire. A factor was the missing ground strap.
- [NTSB CHI00IA009](https://openairdocs.org/ntsb/CHI00IA009.md): McDonnell Douglas DC-9-51 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Oct 14, 1999 · N766NC · No damage
  > The landing gear's wheel separation due to the improper installation of the wheel by company maintenance personnel using incomplete maintenance steps, and the maintenance steps not listed in the manufacturer's manual. Factors were the airport perimeter wall…
- [NTSB CHI99FA102](https://openairdocs.org/ntsb/CHI99FA102.md): Douglas DC-9-15F · Kansas City, MO · Accident · No injuries · Field investigation · Final report · Mar 5, 1999 · N195US · Substantial damage
  > ingestion of birds into both engines, resulting in foreign object damage and the subsequent partial power loss to both engines. A factor relating to this accident was the dark night.
- [NTSB NYC98LA177](https://openairdocs.org/ntsb/NYC98LA177.md): Douglas DC-9-30 · Philadelphia, PA · Accident · No injuries · Limited investigation · Final report · Sep 2, 1998 · N927VJ · Substantial damage
  > the failure of the fuel truck driver to follow airport operating procedures, and yield the right-of-way to the airplane. Factors were the stopped airplane, which obscured the fuel truck from the approaching airplane and the approaching airplane from the fuel…
- [NTSB CHI98LA053](https://openairdocs.org/ntsb/CHI98LA053.md): McDonnell Douglas DC-9-15 · Syracuse, NY · Accident · No injuries · Limited investigation · Final report · Nov 21, 1997 · N564PC · Substantial damage
  > The pilot's inadequate preflight to ensure that the cargo pallets were properly secured. Also causal was the the improper securing of the pallets.
- [NTSB CHI97IA212](https://openairdocs.org/ntsb/CHI97IA212.md): McDonnell Douglas DC-9-15 · Memphis, TN · Incident · No injuries · Incident investigation · Final report · Jul 12, 1997 · N9348 · No damage
  > the spoiler cable was misrouted by unknown maintenance personnel.
- [NTSB FTW97LA215](https://openairdocs.org/ntsb/FTW97LA215.md): Boeing 737-291A · Albuquerque, NM · Accident · Serious injuries · Limited investigation · Final report · Jun 11, 1997 · N980UA · No damage
  > the sudden encounter with clear air turbulence.
- [NTSB DCA97IA030](https://openairdocs.org/ntsb/DCA97IA030.md): Boeing 727F · Atlanta, GA · Incident · No injuries · Incident investigation · Final report · Mar 3, 1997 · N465FE · Minor damage
  > A jammed elevator resulting from a backed-off elevator trim tab nut.
- [NTSB CHI97LA060](https://openairdocs.org/ntsb/CHI97LA060.md): McDonnell Douglas DC-9-51 · Cape Girardeau, MO · Accident · Serious injuries · Limited investigation · Final report · Jan 28, 1997 · N414EA · No damage
  > clear air turbulence encountered by the flight.
- [NTSB LAX96IA300](https://openairdocs.org/ntsb/LAX96IA300.md): Douglas DC-9-51 · Honolulu, HI · Incident · No injuries · Incident investigation · Final report · Aug 8, 1996 · N420EA · Minor damage
  > Improper installation of a flexible hydraulic hose by company maintenance personnel and inadequate inspection of the work by company inspectors which resulted in the loose hose becoming entangled in the nose gear linkage, preventing complete extension of the…
- [NTSB MIA96LA107](https://openairdocs.org/ntsb/MIA96LA107.md): Boeing 727-225 · Memphis, TN · Accident · No injuries · Limited investigation · Final report · Mar 27, 1996 · N468FE · Substantial damage
  > failure of the flightcrew to maintain clearance from construction equipment while taxiing after landing. Factors relating to the accident were: failure of operator personnel to supply the flightcrew with current NOTAM information, failure of ATC personnel to…
- [NTSB LAX95IA229](https://openairdocs.org/ntsb/LAX95IA229.md): Boeing 737-200 · Elko, NV · Incident · No injuries · Incident investigation · Final report · Jun 29, 1995 · N457TM · Minor damage
  > in-flight separation of the aileron as a result of inadequate bonding.
- [NTSB FTW94LA229](https://openairdocs.org/ntsb/FTW94LA229.md): Boeing 737-2H4 · South Bend, IN · Accident · Serious injuries · Limited investigation · Final report · Jul 7, 1994 · N60SW · No damage
  > The encounter with unforcasted and unreported turbulence.
- [NTSB LAX94IA206](https://openairdocs.org/ntsb/LAX94IA206.md): Boeing 737-209 · Honolulu, HI · Incident · Minor injuries · Incident investigation · Final report · Apr 27, 1994 · N804AL · No damage
  > The failure of the battery transfer relay resulting in multiple system failures.
- [NTSB FTW93WA107](https://openairdocs.org/ntsb/FTW93WA107.md): Boeing 727-232 · Guadalajara, Mexico · Accident · No injuries · Foreign investigation · Mar 15, 1993 · N527DA · 2 aircraft · Minor damage
- [NTSB NYC93IA064](https://openairdocs.org/ntsb/NYC93IA064.md): Boeing 727-200 · Newark, NJ · Incident · No injuries · Incident investigation · Final report · Feb 12, 1993 · N79771 · No damage
  > The pilot's disorientation while taxiing, resulting in a runway incursion. Factors contributing to the incident were: the failure of the flight crew to communicate with the ATC ground controller to verify their position; the inadequate crew coordination; and…
- [NTSB CHI93LA043](https://openairdocs.org/ntsb/CHI93LA043.md): Boeing 727-232 · Chicago, IL · Accident · Serious injuries · Limited investigation · Final report · Nov 28, 1992 · N401DA · No damage
  > The captain's inadequate coordination with the ground and flight crew. Factors related to the accident were: the passenger's perception that the APU exhaust was a fire, which resulted in action that initiated an evacuation.
- [NTSB FTW92LA142](https://openairdocs.org/ntsb/FTW92LA142.md): Boeing 737-200 · Palacios, TX · Accident · Serious injuries · Limited investigation · Final report · May 15, 1992 · N67SW · No damage
  > The flight's unexpected encounter with moderate turbulence.
- [NTSB NYC92LA076](https://openairdocs.org/ntsb/NYC92LA076.md): Mcdonnell Douglas DC-9-32 · Dayton, OH · Accident · 1 fatal · Limited investigation · Final report · Apr 9, 1992 · N926L · Minor damage
  > A failed wheel rim following an inadvertent over inflation by the mechanic. Additional causes were the failure of the mechanic to be aware of the pressure being used and his failure to follow procedures. A factor related to the accident was the failure of the…
- [NTSB DEN90IA189](https://openairdocs.org/ntsb/DEN90IA189.md): Boeing 737-222 · Denver, CO · Incident · Minor injuries · Incident investigation · Final report · Sep 19, 1990 · N9044U · No damage
  > The failure of the flight crew to follow emergency procedures/directives. Factors were the failure of the aircraft electrical system (relays) and the failure of the company to provide a jetway operator.
- [NTSB SEA90IA161](https://openairdocs.org/ntsb/SEA90IA161.md): Boeing 727-224 · Belgrade, MT · Incident · No injuries · Incident investigation · Final report · Aug 12, 1990 · N69735 · Minor damage
  > The malfunction of the starter control valve.
- [NTSB MIA90LA155](https://openairdocs.org/ntsb/MIA90LA155.md): Boeing 727-223 · Fort Myers, FL · Accident · Serious injuries · Limited investigation · Final report · Jul 18, 1990 · N6834 · No damage
  > Unforecasted encounter with weather. The airplane encountered severe turblence during enroute descent, resulting in one flight attendant sustaining serious injury, and one passenger sustaining minor injury.
- [NTSB CHI90IA166](https://openairdocs.org/ntsb/CHI90IA166.md): Mcdonnell Douglas DC-9-32 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Jun 29, 1990 · N948ML · No damage
  > The pilot-in-command's inadequate weather evaluation. Factors in the incident were the weather and artcc's failure to issue a weather advisory.
- [NTSB DCA90MA017](https://openairdocs.org/ntsb/DCA90MA017.md): Beech A100 · Atlanta, GA · Accident · 1 fatal · Class 1 · Major · Final report · Jan 19, 1990 · N44UE · 2 aircraft · Destroyed
  > (1) Failure of the federal aviation administration to provide air traffic control procedures that adequately take into consideration human performance factors such as those which resulted in the failure of the north local controller to detect the developing…
- [NTSB ATL89LA172](https://openairdocs.org/ntsb/ATL89LA172.md): Boeing 737-291 · Atlanta, GA · Accident · Serious injuries · Limited investigation · Final report · Jun 26, 1989 · N7375F · No damage
  > Failure of the ground employee to follow normal safety procedures. His lack of familiarity with the operation was a related factor.
- [NTSB DCA89MA035](https://openairdocs.org/ntsb/DCA89MA035.md): McDonnell Douglas DC-9-33F · Saginaw, TX · Accident · 2 fatal · Class 1 · Major · Final report · Mar 18, 1989 · N931F · Destroyed
  > The loss of control of the airplane for undetermined reasons following the inflight opening of the improperly latched cargo door. Contributing to the accident were: inadequate procedures used by evergreen airlines and approved by the FAA for preflight…
- [NTSB FTW89IA067](https://openairdocs.org/ntsb/FTW89IA067.md): Boeing 727-232 · Greenville, TX · Incident · Minor injuries · Incident investigation · Final report · Mar 14, 1989 · N511DA · No damage
  > False fire warning, which resulted from (1) contaminants on hardware at one end of the fire detection loop; and (2) an electrical short on both elements of the loop.
- [NTSB CHI89MA046](https://openairdocs.org/ntsb/CHI89MA046.md): Boeing 737-201 · Chicago, IL · Accident · No injuries · Major investigation · Final report · Jan 20, 1989 · N242US · Substantial damage
  > Previous damage to the aft cone (engine mounting) bolt, which resulted in mismatched surfaces between the bolt and isolation mount, loss of torque during cyclic loading of the mounting bolt, and subsequent fatigue failure of the bolt.
- [NTSB CHI88IA111](https://openairdocs.org/ntsb/CHI88IA111.md): Boeing 737-222 · Detroit, MI · Incident · No injuries · Incident investigation · Final report · May 11, 1988 · N9014U · No damage
- [NTSB SEA88IA065](https://openairdocs.org/ntsb/SEA88IA065.md): Boeing 727-232 · Portland, OR · Incident · No injuries · Incident investigation · Final report · Mar 21, 1988 · N515DA · Minor damage
  > Crew was unable to lower the left main lndg gear. Crew then executed an emergency landing on the right main and nose gear with minor damage to the acft. The investigation revealed that the left main gear door attach fitting had a fatigue fracture.
- [NTSB MIA88IA072](https://openairdocs.org/ntsb/MIA88IA072.md): Boeing 727-231 · Miami, FL · Incident · No injuries · Incident investigation · Final report · Dec 27, 1987 · N54344 · Minor damage
  > Plt was instructed to turn the tail to the right as viewed by the signal man during power back. As power back started the tail was turned to the left as viewed by the signal man. The signal man corrected this turn but the acft was now making a much larger arc…
- [NTSB FTW88IA037](https://openairdocs.org/ntsb/FTW88IA037.md): Boeing 727-243 · Houston, TX · Incident · No injuries · Incident investigation · Final report · Dec 3, 1987 · N571PE · Minor damage
  > Improper drilling of the cross hole in the slat track bearing bolt, which led to its failure from fatigue cracking.
- [NTSB DEN87IA145](https://openairdocs.org/ntsb/DEN87IA145.md): Boeing 727-251 · Casper, WY · Incident · No injuries · Incident investigation · Final report · Jun 2, 1987 · N297US · 2 aircraft · No damage
  > Boeing 727 (northwest flt 354) & USAF EC-135 (slum 51) were involved in a nr collision at FL 330. The mishap occurred asflt 354 was ene bnd on J-158 & slum 51 was flying on a radial-distance (r/d) flt pln, flying btn r/d pts south of J-158.as slum 51 apchd…
- [NTSB LAX87IA027](https://openairdocs.org/ntsb/LAX87IA027.md): Boeing 727-222 · Los Angeles, CA · Incident · No injuries · Incident investigation · Final report · Oct 29, 1986 · N7255U · 2 aircraft · No damage
  > Drg arr, united flt 282 (Boeing 727, N7255U) was vectored by Los Angeles (lax) TRACON for an ILS rwy 25L apch. While in a dscndg turn at 2100' MSL to intercept the ILS LOC at 2000', the capt saw a helicopter (hel) ahead & pulled up. He estdhis acft passed w/i…
- [NTSB ANC87IA003](https://openairdocs.org/ntsb/ANC87IA003.md): Boeing 727-22C · Anchorage, AK · Incident · No injuries · Incident investigation · Final report · Oct 15, 1986 · N753AS · Minor damage
  > After departure, the flight crew retracted the landing gear and noticed a nose gear disagreement light. Upon arriving at Anchorage, the flight crew could not lower the nose gear through normal or manual means. The airplane landed with main gear extended and…
- [NTSB CHI86MA142](https://openairdocs.org/ntsb/CHI86MA142.md): Mcdonnell Douglas DC-9-31 · Chicago, IL · Incident · No injuries · Major investigation · Final report · May 17, 1986 · N973VJ · 2 aircraft · Minor damage
  > U.S. Air flight 373 passed over American airlines flight 695 at the intersection of runways 32R and 4L while both aircraft were taking off. Both aircraft had been cleared for takeoff by the local controller at o'hare tower. The aircraft came within twenty…
- [NTSB ATL86LA090](https://openairdocs.org/ntsb/ATL86LA090.md): Boeing 727-223 · Memphis, TN · Accident · Serious injuries · Limited investigation · Final report · Mar 12, 1986 · N877AA · No damage
  > American airlines flight 502 experienced a fire warning light illumination on no. 1 engine as the aircraft was climbing through 6000 feet. The pilot declared an emergency and returned to Memphis. Following the landing the pilot ordered a passenger emergency…
- [NTSB DCA86IA017](https://openairdocs.org/ntsb/DCA86IA017.md): Boeing 727-223 · Harlingen, TX · Incident · No injuries · Incident investigation · Final report · Feb 8, 1986 · N871AA · Minor damage
  > While en route, the company dispatcher notified American flt 844 (via acars) that Harlingen (hrl) had unforecast fog & was 300' obscd with 1/2 mi vis. At 2335, as the flt bgn a dscnt fm FL 310, the same ceiling & vis were rprtd. However, as the flt was clrd…
- [NTSB BFO85IA065](https://openairdocs.org/ntsb/BFO85IA065.md): Boeing 727-225 · Richmond, VA · Incident · No injuries · Incident investigation · Final report · Aug 11, 1985 · N8856E · Minor damage
  > The flt was in cruise at FL 350 when the cabin crew reported a cabin fire in the vicinity of seat 28A. Shortly after, a lower aft body overheat warning was recvd. The flt diverted to Richmond, VA. During descent, the flt crew performed the appropriate…
- [NTSB MIA84IA242](https://openairdocs.org/ntsb/MIA84IA242.md): Mcdonnell Douglas DC-9-51 · Orlando, FL · Incident · No injuries · Incident investigation · Final report · Aug 25, 1984 · N411EA · Minor damage
  > Just prior to V1 and rotation both left main landing gear tires failed. Takeoff was aborted and acft was stopped on rwy. Pax & crew deplaned without injury. Cause of tire failure could not be determined.
- [NTSB ATL84IA246](https://openairdocs.org/ntsb/ATL84IA246.md): Mcdonnell Douglas DC-9-30 · Nashville, TN · Incident · No injuries · Incident investigation · Final report · Aug 6, 1984 · N956VJ · Minor damage
  > During the climb-out, a 15% decrease in the right eng epr was noted by the flt crew. This was followed by a loud bang & failure of the #2 eng. The #2 eng was shut down & the acft was flown back to the departure arpt. An initial exam revealed that the right…
- [NTSB CHI84IA314](https://openairdocs.org/ntsb/CHI84IA314.md): Boeing 727-2M7 · Minneapolis, MN · Incident · No injuries · Incident investigation · Final report · Jul 25, 1984 · N721RW · No damage
  > The crew reported that they noticed a decrease in climb rate while over rapid city, SD, en route from msp to sfo at flt level 310. The plt noted fuel burn was aprx 1400 lbs ahead of schedule. In-flt inspection revealed that the inboard trailing edge flaps had…
- [NTSB MIA84IA064](https://openairdocs.org/ntsb/MIA84IA064.md): Douglas DC-9-51 · Tampa, FL · Incident · No injuries · Incident investigation · Final report · Jan 21, 1984 · N401EA · Minor damage
  > While climbing after takeoff thru about 3000 ft, the crew noted that the #2 epr had dropped about.08, from aprx 1.82 to 1.74 epr. Shortly after that, the 1st officer noted that the avm on the #2 eng was at the max indication. At about 4000 ft, there was a…

Next page: https://openairdocs.org/ntsb.md?engine=52048&page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52048'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52048

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.