Service difficulty report · Pump · Boeing 7673CB

Difficulty date
January 19, 2009
Submitted
January 21, 2009
Operation
Air carrier
Aircraft
N590HA
Make and model
Boeing 7673CB
Aircraft serial
33467
Aircraft time
23,753 hours, 4,510 cycles
Part
Pump
Part number
82550112
Part serial
4122
Condition
Malfunctioned
Location
Nr 1 Eng Fuel
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

ETOPS SIGNIFICANT SYSTEM, BTB, LEFT ENG NO START ON IGNITION NR 1 OR NR 2 OR BOTH ENG VALVE-FUEL ANNUNCIATOR STAYED ON 15 SECONDS AND FUEL FLOW WAS LOWER THAN NORMAL. REPLACED LT ENGINE FUEL PUMP PER MM TASK 73-11-01 LEAK AND OP CK NML ON NR 1 ENGINE START.

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