SDR P5CA0601481

Service difficulty report · Manifold · Boeing 74746NF

Difficulty date: May 16, 2006
Submitted: May 25, 2006
Operation: Air carrier
Aircraft: N450PA
Make and model: Boeing 74746NF
Aircraft serial: 30808
Aircraft time: 23,037 hours, 4,009 cycles
Engine: Ge CF680
System (JASC): 7520 · Engine Cooling System
Part: Manifold
Part number: 1885M22G01
Condition: Defective
Location: Nr 1 Engine
Stage of operation: CL
How discovered: O
Nature of condition: M, J
Precautionary procedure: A

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

What was found

ON INITIAL CLIMB, AFTER FLAP RETRACTION, EICAS CAUTION MESSAGE OVHT ENG 1 NAC. COMPLIED WITH CHECKLIST AND MESSAGE CLEARED, TRIED TO CONTINUE WITH CLIMB, MESSAGE RETURNED. RETURN TO LAX. REMOVE AND REPLACE NR 1 ENGINE TWELVE SEGMENT LPT COOLING AIR MANIFOLD IAW AMM 75-24-03. SYSTEM OPS CHECK GOOD.

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