Service difficulty report · Fire Loop · Boeing 7472D7B

Difficulty date
March 29, 2004
Submitted
August 23, 2004
Operation
Air carrier
Aircraft
N526MC
Make and model
Boeing 7472D7B
Aircraft serial
22337
Engine
Ge CF650E2
Part
Fire Loop
Part number
51291009
Condition
Chafed
Location
Nr 2 Engine
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
E, J, A

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

What was found

AT APPROXIMATELY 10,000 FT, NR 2 ENIGNE 'A' LOOP WAS INDICATING 7 UNITS, 'B' LOOP INDICATING 2.5. COMPLETED FHB 3.26.10 PROCEDURES NACELLE TEMPERATURE INDICATION ABNORMAL. RETARDED THROTTLE NO CHANGE, 30 SECON LATER 'A' LOOP INDICATES 9 PLUS, 'B' LOOP FLUCTUATES BETWEEN 2.5 AND 7.5. ENGINE FAILURE SHUTDOWN CHECKLIST ACCOMPLISHED. NR 2 ENGINE 'B' LOOP FOUND CHAFFING WIRES. REPAIRED WIRES AS PER SWPM 20-20-00 AND OPERATION CHECK SATISFACTORY AS PER MM 26-01-00. (M)

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