# Incident 19910920042029I: Boeing 727224, Detroit, MI, September 20, 1991

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: September 20, 1991, 18:45 local time
- Place: Detroit, MI
- Airport: Detroit Metro Wayne County
- Damage: Minor damage
- Phase of flight: Forced/Precautionary Landing
- Operating rules: Air carrier (Part 121)
- Operator: CALA
- Location: 42.2194° N, 83.3507° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=42.2194&lon=-83.3507&mi=10
- Aircraft: N88704, a cancelled registration (https://openairdocs.org/deregistered/N88704-2002-09-17) (OpenAirDocs)
- Registry model: Boeing 727-224 (registry code 1384076, https://openairdocs.org/model/boeing-727-224) (OpenAirDocs)
- Registry engine: Pratt & Whitney JT8D-1 (registry code 52044, https://openairdocs.org/engine/pratt-whitney-jt8d-1) (OpenAirDocs)
- Reported make and model: BOEING 727224
- People aboard: 129
- Fatal injuries: 0
- Pilot flight hours: 29,000 total, 20,000 in this make and model, 270 in the last 90 days
- NTSB investigation: [NTSB CHI91IA297](https://openairdocs.org/ntsb/CHI91IA297) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19910920042029I

## Narrative

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

LEFT MAIN GEAR WOULD NOT EXTEND OR RETRACT. AIRCRAFT LANDED RUNWAY AND LEFT MAIN GEAR COLLAPSED.

## 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 CHI91IA297](https://openairdocs.org/ntsb/CHI91IA297), Sep 20, 1991: Boeing 727-224 (N88704), Detroit, MI, incident, minor damage. Probable cause: 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…

## Other reports on N88704 (2)

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

- [Accident 19870225038971A](https://openairdocs.org/incident/19870225038971A), Feb 25, 1987: Boeing 727224 (N88704), Los Angeles, CA. On takeoff, the wheel of the aircraft hit N98834 which was taxiing. ATC controllers did not ensure separation.
- [Incident 19800507051419I](https://openairdocs.org/incident/19800507051419I), May 7, 1980: Boeing 727224 (N88704), Houston, TX. Flight returned with engine shut down due to apparent loss of oil and oil pressure.

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.