OpenAirDocs.org

20090417009489I

Incident · No damage
Open the Markdown

FAA incident report · Lear 31 · Boca Raton, FL · April 17, 2009

FAA Aviation Safety Information Portal

© OpenStreetMap
Date
April 17, 2009 · 19:45 local
Place
Boca Raton, FL
Airport
Boca Raton
Phase of flight
Cruise/Level Flight
Operating rules
General operating rules (Part 91)
Damage
No damage
Aircraft
N818LJ
Reported as
Lear 31
People aboard
6
Fatal injuries
0
Other injuries
0
Pilot’s flight hours
0 total0 in this make and model0 in the last 90 days
N818LJRegistration cancelled Aug 2, 2018 · Learjet 31S/N 019 · Built 1990Airframe modelLearjet 31Engine modelAlliedsign TFE731 seriesTurbo-fan

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.

(-23) This aircraft N818LJ had departed Boca Raton Airport (kbct) and landed at ft. lauderdale international airport (kfll) where the crew picked up passengers. After departing (kfll) approximately 20 minutes into the flight at 35,000 ft the left hand engine oil pressure gauge became erratic. The pilot operating this aircraft notified ATC that they wanted to return to the flight at 35,000 ft the left hand engine oil pressure gauge became erratic. The pilot operating this aircraft notified ATC that they wanted to return to their home base (bct). ATC asked the crew if they required assistance and the pilot responded that was a "negative" and that they were not declaring an emergency. The pilot operating the aircraft had reduced power on the left engine to idle and that point did a precautionary shutdown on the left engine to land at Boca Raton Airport. Aircraft was inducted into maintenance by reliable jet maintenance, LLC at hangar one at Boca Raton. Investigation of this oil leak after removing the left engine oil dipstick was reading no indication of oil. Maintenance crew checked the left hand engine oil dipstick o-ring and it was broken. Removed and replaced o-ring and serviced the engine with 5 quarts of mobil 254 oil. Maintenance crew then performed ground full power engine runs with no evidence of leakage.

As the FAA filed it

(-23) THIS AIRCRAFT N818LJ HAD DEPARTED BOCA RATON AIRPORT (KBCT) AND LANDED AT FT. LAUDERDALE INTERNATIONAL AIRPORT (KFLL) WHERE THE CREW PICKED UP PASSENGERS. AFTER DEPARTING (KFLL) APPROXIMATELY 20 MINUTES INTO THE FLIGHT AT 35,000 FT THE LEFT HAND ENGINE OIL PRESSURE GAUGE BECAME ERRATIC. THE PILOT OPERATING THIS AIRCRAFT NOTIFIED ATC THAT THEY WANTED TO RETURN TO THE FLIGHT AT 35,000 FT THE LEFT HAND ENGINE OIL PRESSURE GAUGE BECAME ERRATIC. THE PILOT OPERATING THIS AIRCRAFT NOTIFIED ATC THAT THEY WANTED TO RETURN TO THEIR HOME BASE (BCT). ATC ASKED THE CREW IF THEY REQUIRED ASSISTANCE AND THE PILOT RESPONDED THAT WAS A "NEGATIVE" AND THAT THEY WERE NOT DECLARING AN EMERGENCY. THE PILOT OPERATING THE AIRCRAFT HAD REDUCED POWER ON THE LEFT ENGINE TO IDLE AND THAT POINT DID A PRECAUTIONARY SHUTDOWN ON THE LEFT ENGINE TO LAND AT BOCA RATON AIRPORT. AIRCRAFT WAS INDUCTED INTO MAINTENANCE BY RELIABLE JET MAINTENANCE, LLC AT HANGAR ONE AT BOCA RATON. INVESTIGATION OF THIS OIL LEAK AFTER REMOVING THE LEFT ENGINE OIL DIPSTICK WAS READING NO INDICATION OF OIL. MAINTENANCE CREW CHECKED THE LEFT HAND ENGINE OIL DIPSTICK O-RING AND IT WAS BROKEN. REMOVED AND REPLACED O-RING AND SERVICED THE ENGINE WITH 5 QUARTS OF MOBIL 254 OIL. MAINTENANCE CREW THEN PERFORMED GROUND FULL POWER ENGINE RUNS WITH NO EVIDENCE OF LEAKAGE.