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NTSB Report
July 5, 1982 · Boeing 727-233 · CGAAA
Flushing, NY
Overview
Report Status
Preliminary report
Event Type
Incident
Date
July 5, 1982
Injury Outcomes
No injuries (74 uninjured)
Location
Flushing, NY
Aircraft
Boeing 727-233
Tail Number
CGAAA
Operator
Air Canada
Injuries
None
Aircraft Damage
Minor
NTSB Number
NYC82IA137
DURING INITIAL CLIMB, THE AMBER LEADING EDGE FLAT LIGHT REMAINED LIT AFTER FLAP RETRACTION FROM 5 DEGREES TO 2 DEGREES. MODERATE AILERON AND RUDDER INPUTS WERE REQUIRED TO MAINTAIN WINGS LEVEL FLIGHT. AFTER CYCLING THE FLAPS FROM 5 BACK TO 2 DEGREES, THE SAME CONDITION EXISTED AND THE SECOND OFFICER CONFIRMED THAT THE NO. 7 SLAT WAS NOT RETRACTING. THE FLAPS WERE THEN EXTENDED TO 15 DEGREES, ELIMINATING THE ROLLING TENDENCY, AND THE FLIGHT RETURNED TO LAGUARDIA. SUBSEQUENT INSPECTION REVEALED THAT AN INBOARD SLAT TRACK ROLLER SUPPORT BOLT FOR THE NO. 7 SLAT HAD FAILED. THE ROLLER WAS FOUND LODGED BETWEEN THE INBOARD TRACK AND WING STRUCTURE. THE ROLLER WAS SEIZED WITH SEVERAL BEARINGS MISSING. LITTLE LUBRICATION WAS EVIDENT. THE BOLT FRACTURED THROUGH A LUBRICATION HOLE THAT THE ROLLER MOUNTS OVER. BOLT FRACTURE FACES EXHIBITED STRIATIONS AND CUPPING. TOTAL TIME ON BOLT AND ROLLER WAS 18,815 HOURS.
Full Narrative
DURING INITIAL CLIMB, THE AMBER LEADING EDGE FLAT LIGHT REMAINED LIT AFTER FLAP RETRACTION FROM 5 DEGREES TO 2 DEGREES. MODERATE AILERON AND RUDDER INPUTS WERE REQUIRED TO MAINTAIN WINGS LEVEL FLIGHT. AFTER CYCLING THE FLAPS FROM 5 BACK TO 2 DEGREES, THE SAME CONDITION EXISTED AND THE SECOND OFFICER CONFIRMED THAT THE NO. 7 SLAT WAS NOT RETRACTING. THE FLAPS WERE THEN EXTENDED TO 15 DEGREES, ELIMINATING THE ROLLING TENDENCY, AND THE FLIGHT RETURNED TO LAGUARDIA. SUBSEQUENT INSPECTION REVEALED THAT AN INBOARD SLAT TRACK ROLLER SUPPORT BOLT FOR THE NO. 7 SLAT HAD FAILED. THE ROLLER WAS FOUND LODGED BETWEEN THE INBOARD TRACK AND WING STRUCTURE. THE ROLLER WAS SEIZED WITH SEVERAL BEARINGS MISSING. LITTLE LUBRICATION WAS EVIDENT. THE BOLT FRACTURED THROUGH A LUBRICATION HOLE THAT THE ROLLER MOUNTS OVER. BOLT FRACTURE FACES EXHIBITED STRIATIONS AND CUPPING. TOTAL TIME ON BOLT AND ROLLER WAS 18,815 HOURS.
Flight
Event TypeIncident
Event Time13:59 EDT
Nearest AirportLaguardia (0nm N)
Runway22
Runway Length7000 ft
Runway Width150 ft
Flight Plan FiledIFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftBoeing 727-233
Tail NumberCGAAA
Aircraft CategoryAir
DamageMinor
OperatorAir Canada
Operating RulePart 129
Engines3
Engine TypeTurbofan
Engine DetailsP & W · JT8D-15 · Turbofan · 15500
Seats132
People & Injuries
Injury SummaryNo injuries (74 uninjured)
Fatal0
Serious0
Minor0
Uninjured74
Total74
Crew 1Age 41 · Unknown
Conditions
ConditionsVMC
LightDaylight
Wind170° @ 17 kt
Visibility15 sm
CeilingNone
Temperature / Dew Point17 C / 0 C
Altimeter30.00 inHg
Observation Time13:52