# Incident 19890502036339I: Doug DC982, Minneapolis, MN, May 2, 1989

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: May 2, 1989, 14:40 local time
- Place: Minneapolis, MN
- Airport: Minneapolis-St Paul International-Wold
- Damage: Minor damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: Air carrier (Part 121)
- Operator: AALA
- Location: 44.9800° N, 93.2638° W: Placed by OpenAirDocs: center of Minneapolis, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.9800&lon=-93.2638&mi=10
- Aircraft: N434AA, a cancelled registration (https://openairdocs.org/deregistered/N434AA-2019-09-16) (OpenAirDocs)
- Registry model: Mcdonnell Douglas DC-9-83(MD-83) (registry code 3022083, https://openairdocs.org/model/mcdonnell-douglas-dc-9-83-md-83) (OpenAirDocs)
- Registry engine: Pratt & Whitney JT8D series (registry code 52053, https://openairdocs.org/engine/pratt-whitney-jt8d-series) (OpenAirDocs)
- Reported make and model: DOUG DC982
- Reported engine: PWA JT8D217A
- People aboard: 96
- Fatal injuries: 0
- NTSB investigation: [NTSB CHI89IA083](https://openairdocs.org/ntsb/CHI89IA083) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19890502036339I

## Narrative

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

FLUID QUANTITY IN BOTH HYDRAULIC SYSTEMS WENT TO 0. MANUALLY EXTENDED GEAR. POWER TRANSFER VALVE ASSEMBLY BROKE.

## 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 CHI89IA083](https://openairdocs.org/ntsb/CHI89IA083), May 2, 1989: Mcdonnell Douglas DC-9-82 (N434AA), Minneapolis, MN, incident, minor damage. Probable cause: FAILURE OF THE HYDRAULIC POWER TRANSFER UNIT SHUT-OFF (PTU S/O) VALVE DUE TO FAILED (FATIGUED) VALVE BODY ATTACH SCREWS.

## Other reports on N434AA (2)

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

- [Incident 20060814016769I](https://openairdocs.org/incident/20060814016769I), Aug 14, 2006: Doug DC983 (N434AA), St Louis, MO, Minor damage. (-23) On August 15, 2006 at 0053 UTC, American airlines MD-83 N434AA, flight 1124 enroute from chicago, IL (kord) to new orleans, la (kmsy) encountered…
- [Incident 19890904056829I](https://openairdocs.org/incident/19890904056829I), Sep 4, 1989: Doug DC982 (N434AA), Billings, MT, Minor damage. Low oil pressure light on right engine. Landed at destination. Replaced csd on engine.

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.

---
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.
