Service difficulty report · Pressure Switch · Airbus A330243

Difficulty date
November 21, 2019
Submitted
November 22, 2019
Operation
Air carrier
Aircraft
N391HA
Make and model
Airbus A330243
Aircraft serial
1399
Aircraft time
30,050 hours, 4,689 cycles
Part
Pressure Switch
Part number
4373349001
Part serial
08426
Condition
Malfunctioned
Location
Fuel Filter
Stage of operation
NR
How discovered
9
Nature of condition
N
Precautionary procedure
O

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

What was found

ENG 2 FUEL FILTER CLOG//PER TSM 73-21-79-810-804-A CONNECTOR 403KS-A IS A STRAIGHT METALLIC BACKSHELL. CONTINUITY CHECK BETWEEN 4034KS PIN1 1 + 4000KS-JA1 PIN 49, 4034KS PIN 3 + 4000KS-JA1 PIN 48 GOOD. INSULATION RESISTANCE CHECK BETWEEN 4034KS-A + 4000KS-JA1 GOOD. NO SHORT TO GROUND. REMOVED AND REPLACED #2 ENG FUEL FILTER DIFFERENTIAL PRESSURE SWITCH PER AMM 73-34-11. LEAK CHECK GOOD. OK FOR SERVICE.

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