Service difficulty report · Clamp · Boeing 727233

Difficulty date
October 28, 2005
Submitted
November 2, 2005
Operation
Air carrier
Aircraft
N220FE
Make and model
Boeing 727233
Aircraft serial
20934
Aircraft time
54,692 hours, 34,208 cycles
Part
Clamp
Condition
Out Of Position
Location
Precooler
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
J, A

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

What was found

DURING CLIMB-OUT ENG NR 1 STRUT OVHT LIGHT ILLUMINATED ACCOMPLISHED ABNORMAL CHK LIST AFTER BLEED AND PACK SW'S CLOSED AND THRUST LEVER TO IDLE LIGHT OUT. INSPECT ALL THE CLAMPS ON THE NR 1 STRUT. PRESSURIZING THE DUCTS USING APU AIR FOUND CLAMP ADJACENT TO PRECOOLER LEAKING AND BLOWING HOT AIR ONTO OVHT SENSOR. REPOSTION CLAMP AND TIGHTENED, NO LEAK NOTED. STILL NEEDS HIGH POWER RUN FOR PROPER LEAK CHK. AFTER REPOSITIONING CLAMP DECIDED TO REMOVED AND REPLACED SAME CLAMP AS PRECAUTIONARY. RAN ENGINE AT TAKEOFF POWER SETTING FOR APPROX 5 MIN AS PER JRH. NO LEAKS NOTED A/C OK FOR SERVICE.