# NTSB investigations: Pratt & Whitney JT8D-1: Airframe/component/system failure/malfunction 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. ## Latest cases - [NTSB DCA01MA005](https://openairdocs.org/ntsb/DCA01MA005.md): Douglas DC-9 · Atlanta, GA · Accident · Minor injuries · Major investigation · Final report · Nov 29, 2000 · N826AT · Substantial damage > the leakage of lavatory fluid from the airplane's forward lavatory onto electrical connectors, which caused shorting that led to a fire. Contributing to the accident were the inadequate servicing of the lavatory and the failure of maintenance to ensure… - [NTSB CHI99IA136](https://openairdocs.org/ntsb/CHI99IA136.md): McDonnell Douglas DC-9-32 · Dubuque, IA · Incident · No injuries · Incident investigation · Final report · Apr 9, 1999 · N205ME · No damage > the frozen elevator control. Factors to the incident were the rain and the low temperature. - [NTSB FTW97IA363](https://openairdocs.org/ntsb/FTW97IA363.md): Boeing 737-200RS · Salt Lake City, UT · Incident · Minor injuries · Incident investigation · Final report · Sep 24, 1997 · N205AU · Minor damage > The captain's failure to maintain directional control during landing roll. Factors were the loss of hydraulic pressure in the 'A' hydraulic system, the thrust reverser failure on the number one engine, and flight crew coordination not being maintained. - [NTSB CHI97IA195](https://openairdocs.org/ntsb/CHI97IA195.md): McDonnell Douglas DC-9-30 · Flint, MI · Incident · No injuries · Incident investigation · Final report · Jul 5, 1997 · N963N · Minor damage > An electrical short in the wiring of the left wingtip oscillating position light auto transformer and a failure of the system circuit breaker. - [NTSB CHI91IA297](https://openairdocs.org/ntsb/CHI91IA297.md): Boeing 727-224 · Detroit, MI · Incident · No injuries · Incident investigation · Final report · Sep 20, 1991 · N88704 · Minor damage > Inadequate maintenance inspection of the main landing gear actuator assembly by company maintenance personnel. A factor in the incident is inadequate design of the landing gear actuator by the manufacturer. - [NTSB CHI91IA058](https://openairdocs.org/ntsb/CHI91IA058.md): Boeing B727-223 · Des Moines, IA · Incident · Minor injuries · Incident investigation · Final report · Jan 4, 1991 · N6821 · No damage > An oil leak originating from the auxiliary power unit which created smoke in the passenger cabin after it passed through the air conditioning/heating system equipment and associated duct work. - [NTSB ATL90IA060](https://openairdocs.org/ntsb/ATL90IA060.md): Douglas DC-9-31 · Louisville, KY · Incident · Minor injuries · Incident investigation · Final report · Jan 31, 1990 · N8978E · Minor damage > The disabling of the main landing gear torque link which allowed the truck to rotate freely. The torque link was disabled when excessive vibration was generated by excessive play of the torque link pins in their bushings. - [NTSB DEN90IA012](https://openairdocs.org/ntsb/DEN90IA012.md): Mcdonnell Douglas DC-9 · Monte Vista, CO · Incident · Minor injuries · Incident investigation · Final report · Oct 18, 1989 · N922RW · Minor damage > The poor inflight planning and decisions made by the flight crew following the failure of the number two generator constant speed drive unit. Contributing factors to the accident were the failure of the no. 2 generator constant speed drive unit and the crew's… - [NTSB LAX89IA315](https://openairdocs.org/ntsb/LAX89IA315.md): Boeing 727-224 · Los Angeles, CA · Incident · No injuries · Incident investigation · Final report · Aug 10, 1989 · N88709 · Minor damage > A fatigue crack in the right gear wheel well. - [NTSB CHI87IA067](https://openairdocs.org/ntsb/CHI87IA067.md): Boeing 727-122 · Fort Wayne, IN · Incident · No injuries · Incident investigation · Final report · Jan 25, 1987 · N7015U · Minor damage > Aircraft exterior skin failed in fatigue while in cruise flight. The aircraft lost cabin pressure and the passenger oxygen masks automatically deployed. The flight crew donned oxygen masks, declared an emergency to ATC and descended to 10,000 ft. the aircraft… - [NTSB FTW86IA093](https://openairdocs.org/ntsb/FTW86IA093.md): Boeing 727-224 · Corpus Christi, TX · Incident · Minor injuries · Incident investigation · Final report · May 25, 1986 · N88711 · Minor damage > The pilot made an intentional gear-up landing (left main only) after numerous attempts to lower it were unsuccessful. The small steel nut which had jammed the left main gear door unlatching mechanism fell into that position sometime after the gear was… - [NTSB CHI86IA121](https://openairdocs.org/ntsb/CHI86IA121.md): Boeing 727-231 · Detroit, MI · Incident · No injuries · Incident investigation · Final report · Apr 17, 1986 · N64324 · No damage > While taxiing for takeoff a male pax panicked and shouted 'open the door!' During a smoke-in-the-cabin occurrence (overheated a/c pack). The lead fa mistook this 'instruction' as coming from the cockpit and opened an exit door. Passengers interpreted her… - [NTSB NYC86IA093](https://openairdocs.org/ntsb/NYC86IA093.md): Boeing 727-231 · Boston, MA · Incident · Minor injuries · Incident investigation · Final report · Mar 27, 1986 · N52311 · No damage > Two of 3 reqd flt attendants (f/a's) were distributing passenger (pax) coats as the acft was being taxied after lndg. Smoke fm an overheated air cond (a/c) pack bgn entering the cabin & the f/a's returned to their duty stations. The flt crew stopped the acft… - [NTSB NYC84IA192](https://openairdocs.org/ntsb/NYC84IA192.md): Boeing 727-31 · Flushing, NY · Incident · No injuries · Incident investigation · Final report · Jun 2, 1984 · N855TW · Minor damage > After takeoff flt attendant reported aft airstair partially open. Flt engineer checked & confirmed airstair open aprx 18 inches. Remedial action performed to no avail. Unscheduled landing performed without incident. As acft turned onto taxiway airstair… - [NTSB SEA82IA101](https://openairdocs.org/ntsb/SEA82IA101.md): Douglas DC-9-31 · Boise, ID · Incident · No injuries · Incident investigation · Final report · Jul 5, 1982 · N919RW · Minor damage > After a gate delay to load late passengers, the flight was cleared for takeoff on runway 28L. About 4 seconds after rotation speed was called, the stickshaker activated and the takeoff was aborted. A readout of the CVR indicated that the thrust reversers were… ## 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 ('52044') AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130)) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=52044&occurrence=130 --- 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.