# Incident 19870716051899I: Boeing 747227B, Seattle, WA, July 16, 1987

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: July 16, 1987, 12:11 local time
- Place: Seattle, WA
- Airport: Seattle-Tacoma International
- Damage: Minor damage
- Phase of flight: Initial Approach-IFR
- Operating rules: Air carrier (Part 121)
- Operator: NWAA
- Location: 47.4499° N, 122.3118° W: Placed by OpenAirDocs at SEATTLE-TACOMA INTL (SEA), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.4499&lon=-122.3118&mi=10
- Aircraft: N635US, a cancelled registration (https://openairdocs.org/deregistered/N635US-2007-09-26) (OpenAirDocs)
- Registry model: Boeing 747-227B (registry code 1384888, https://openairdocs.org/model/boeing-747-227b) (OpenAirDocs)
- Registry engine: Pratt & Whitney JT9D-3A (registry code 52050, https://openairdocs.org/engine/pratt-whitney-jt9d-3a) (OpenAirDocs)
- Reported make and model: BOEING 747227B
- People aboard: 3
- Fatal injuries: 0
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19870716051899I

## Narrative

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

THE RIGHT WING ESCAPE SLIDE SEPARATED INFLIGHT CAUSING SOME PROPERTY DAMAGE. UNDER INVESTIGATION.

## Other reports on N635US (3)

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

- [Incident 19961026038439I](https://openairdocs.org/incident/19961026038439I), Oct 26, 1996: Boeing 747227B (N635US), Minneapolis, MN. Narrative: during rotation on msp departure, #3 engine experienced two compressor stalls. EGT rose to 850 degrees celsius for approximately 5 minutes. Epr was…
- [Incident 19910917058129I](https://openairdocs.org/incident/19910917058129I), Sep 17, 1991: Boeing 747227B (N635US), Pacific Ocean. Pilot inadvertently loaded incorrect coordinates into inertial navigation system. Had gross navigational error.
- [Incident 19880219071531I](https://openairdocs.org/incident/19880219071531I), Feb 19, 1988: Boeing 747227B (N635US), Chicago, IL. ATC operational error led to reduced clearance between two aircraft during takeoff from different runways.

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.