# Incident 19780621047089I: Boeing 737/, Whitehorse, CN, June 21, 1978

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: June 21, 1978, 09:36 local time
- Place: Whitehorse, CN
- Damage: Minor damage
- Phase of flight: Descent
- Operating rules: Air carrier (Part 121)
- Operator: WAA
- Aircraft: N4906, a cancelled registration (https://openairdocs.org/deregistered/N4906-1990-10-22) (OpenAirDocs)
- Registry model: Boeing 737-210C (registry code 1384459, https://openairdocs.org/model/boeing-737-210c) (OpenAirDocs)
- Reported make and model: BOEING 737/
- People aboard: 16
- Fatal injuries: 0
- Pilot flight hours: 0 in this make and model, 0 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19780621047089I

## Narrative

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

BROKEN PARTS OF APU EXDUCER BLADES DENTED THE HEAT SHIELD, CAUSING THE APU FIRE WARNING TO COME ON.

## Other reports on N4906 (3)

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

- [Incident 19860409022659I](https://openairdocs.org/incident/19860409022659I), Apr 9, 1986: Boeing 737210C (N4906), Honolulu, HI. Cabin pressurization climbed uncontrollably during descent. Safe landing. Controller was replaced.
- [Incident 19841207071029I](https://openairdocs.org/incident/19841207071029I), Dec 7, 1984: Boeing 737210C (N4906), Fairbanks, AK, Minor damage. While being marshalled by ground personnel wingtip struck jetway. Leading edge slat dented.
- [Incident 19830426020959I](https://openairdocs.org/incident/19830426020959I), Apr 26, 1983: Boeing 737210C (N4906), Anchorage, AK, Minor damage. Tower reported smoke coming from nose gear area. Returned to ramp. Found ruptured hydraulic line. Smoke was mist.

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.