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19901111057209I

Incident
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FAA incident report · Fokker F28MK4000 · Atlanta, GA · November 11, 1990

FAA Aviation Safety Information Portal

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Date
November 11, 1990 · 17:50 local
Place
Atlanta, GA
Airport
The William B Hartsfield Atla
Phase of flight
Descent
Operating rules
Air carrier (Part 121)
Operator
USAA
Aircraft
N850US
NTSB investigation
NTSBATL91IA017
Reported as
Fokker F28MK4000
People aboard
4
Fatal injuries
0
N850USRegistration cancelled May 28, 2003 · Fokker F.28 MK 0100S/N 11276 · Built 1989Airframe modelFokker F.28 MK 0100

From the FAA’s Accident/Incident Data System (AIDS), through its Aviation Safety Information Portal, as reported. The NTSB investigates accidents separately, and its record of an accident is the fuller one. The aircraft is matched to the registry 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.

What happened

The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.

On descent computer fault light and stabilizer trim fault lights came on. Autopilot disengaged.

As the FAA filed it

ON DESCENT COMPUTER FAULT LIGHT AND STABILIZER TRIM FAULT LIGHTS CAME ON. AUTOPILOT DISENGAGED.

NTSB investigation

The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.

NTSB ATL91IA017Incident · No injuriesIncident investigationFinal reportAtlanta, GAFrozen moisture in the stabilizer actuator hydraulic servo valve which resulted in reduced movement of the servo valve and limited its ability to respond to flight control inputs. The lack of response from the servo valve resulted in the jammed stabilizer…Nov 11, 1990 · No damage

Other reports on N850US · 3

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

Incident 19970407012699IRoll-Out (Fixed Wing) · Philadelphia, PANarrative: us airways flight 1446 departed bos enroute to phl on 4/7/97. The crew noted in the aircraft's log that "left lg downlock switch" fault indicated on takeoff from bos. This fault required no action other than the log book notation. On landing at phl…Apr 7, 1997 · Minor damageIncident 19901029062839IGround Taxi, Other Airplane · Erie, PADuring departure from gate the tail touched tail of adjacent DC9. Returned to gate.Oct 29, 1990Incident 19900902047949IFcd/Prec Ldg From Cruise · Syracuse, NYPrecautionary landing when hydraulic system for stabilator failed. Replaced sticking switches and alternate motor.Sep 2, 1990