Service difficulty report · Eec · Aerosp ATR72212A

Difficulty date
October 1, 2006
Submitted
November 3, 2006
Operation
Air carrier
Aircraft
N550LL
Make and model
Aerosp ATR72212A
Aircraft serial
550
Engine
Pwa PW127
Part
Eec
Condition
Surges
Location
Engine
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

EN ROUTE AT 5,000 MSL, NR 2 ENGINE EXPERIENCED LARGE POWER SURGES. RT TQ WAS BETWEEN 50-102.5 PERCENT ON DIGITAL INDICATOR. POWER WAS REDUCED BELOW THE `NOTCH` AND ENGINE STABILIZED AND RAN NORMAL WITH NO FURTHER PROBLEMS. SWAP EEC`S FROM LT TO RT ENGINE FOR TROUBLESHOOT PURPOSE AS PER JIC 72-01-00. REPLACED NR 2 MFC AS PER 31-48-81, OPS CHECK ON GROUND OK. (M)

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