# Incident 19961026038439I: Boeing 747227B, Minneapolis, MN, October 26, 1996

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: October 26, 1996, 16:08 local time
- Place: Minneapolis, MN
- Airport: Minneapolis-St Paul International-Wold
- Phase of flight: To Init Climb(1st Pwr Reduct)
- Operating rules: Air carrier (Part 121)
- Operator: NWAA
- 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: 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
- Reported engine: PWA JT9D7Q
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 15,383 total, 2,516 in this make and model, 118 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19961026038439I

## Narrative

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

NARRATIVE: DURING ROTATION ON MSP DEPARTURE, #3 ENGINE EXPERIENCED TWO COMPRESSOR STALLS. EGT ROSE TO 850 DEGREES CELSIUS FOR APPROXIMATELY 5 MINUTES. EPR WAS 1.60 AND N1 AND N2 FLUCTUATED THEN DROPPED TO THE BOTTOM OF THE SCALE. INVESTIGATION INTO ROOT CAUSE IN PROGRESS. INITIAL VISUAL INSPECTION REVEALED FAN TIPS BENT AND BLUE.

## Other reports on N635US (3)

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

- [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.
- [Incident 19870716051899I](https://openairdocs.org/incident/19870716051899I), Jul 16, 1987: Boeing 747227B (N635US), Seattle, WA, Minor damage. The right wing escape slide separated inflight causing some property damage. Under investigation.

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.

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