Service difficulty report · Pressure Switch · Airbus A320*

Difficulty date
March 25, 2023
Submitted
March 28, 2023
Operation
Air carrier
Aircraft
N164NN
Make and model
Airbus A320*
Aircraft serial
6909
Aircraft time
20,622 hours, 7,964 cycles
Engine
Iae V2533A5
Part
Pressure Switch
Part number
21SN04300B
Part serial
W64577
Condition
Fault Message
Location
Zone 400 - Nac/P
Part time
70,772 hours, 28,737 cycles
Stage of operation
CR
How discovered
V
Nature of condition
J
Precautionary procedure
A, O

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

What was found

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO BNA, DURING FLIGHT INTERMITTENT FUEL CLOG #2 ENGINE CAUTION APPEARED AT LEAST 8 TIMES AFTER INITIAL EICAS CAUTION. THE AIRCRAFT LANDED SAFELY AT BNA WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE #2 ENGINE FUEL DIFFERENTIAL PRESSURE SWITCH PER AMM 73-34-15 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.