SDR TWRA9839

Service difficulty report · Clamp · Boeing 7472F6B

Difficulty date
July 19, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N623FF
Make and model
Boeing 7472F6B
Aircraft serial
22382
Part
Clamp
Condition
Loose
Location
Nr 1 Nacelle
Stage of operation
CL
Nature of condition
N
Precautionary procedure
K

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

What was found

NR 1 ENGINE FIRE WARNING MOMENTARILY INDICATED ON CLIMB-OUT FROM TLV, RETARDED THRUST LEVER TO IDLE BEFORE ANY ACTION TAKEN. LIGHT/HORN EXTINGUISHED, OTHER INDICATIONS NORMAL. 'A' LOOP DROPPED TO NORMAL. 'B' LOOP CONTINUED TO RUN ABOVE 'A' LOOP. FOUND PNEUMATIC LEAK AT HIGH STAGE VALVE CLAMP. RESET AND TIGHTENED CLAMPS. PERFORMED RUN UP AND LEAK CHECK PER MM 71-00-00, TESTS 1, 3 AND 4. NO LEAKS NOTED. OPS CHECK NORMAL. (M)

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