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SDR HAEA200600188

Open the Markdown

Service difficulty report · Seal · Amd FALCON

FAA SDR system

Difficulty date
March 20, 2006
Submitted
March 21, 2006
Operation
Air carrier
Aircraft
N240TW
Make and model
Amd FALCON
Aircraft serial
40
Aircraft time
15,992 hours, 11,770 cycles
Engine
Ge CF7002D2
Engine time
10,388 hours, 10,262 cycles
System (JASC)
7261 · Turbine Engine Oil System
Part
Seal
Part number
5045T99P03
Condition
Failed
Location
Nr 1 Engine
Part time
5,361 hours, 5,279 cycles
Component
Engine · Ge
Component part number
CF7002D2
Stage of operation
CR
How discovered
O
Nature of condition
E, R, Y
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

APPROX 50 MINS INTO FLT (FL280) HEARD A LOW RUMBLING NOISE. INSTRUMENTS NORMAL EXCEPT NR 1 ENG OIL PRESSURE DROPPED 50 PSI TO 10 PSI. CONTINUED NORMALLY 30 SEC, THEN RPM BEGIN TO FLUCTUATE BETWEEN 80 & 90%, WITH CONTINUOUS RUMBLING NOISE. RETARDED THROTTLE TO IDLE, ENG SHUTDOWN & BEGAN TO WINDMILL 10 TO 15% RPM. LOW RUMBLING NOISE CONTINUED. COMPLETED ENG SHUTDOWN CHECKLIST, DIVERTED. CREW REPORTED, OIL LEVEL IN ENG WAS BELOW LEVEL OF DIP STICK. OIL HAD BEEN PREVIOUSLY CHECKED WITH IN LAST 1.5 FLT HRS & FOUND NORMAL LEVEL. MX EN ROUTE TO CHANGE ENG. ENG SHUTDOWN WHEN THROTTLE WAS MOVED TO IDLE DUE TO SEIZURE AS A RESULT OF OIL LOSS/DEPLETION CAUSED BY FAILURE OF AXIS C SEAL.