Service difficulty report · Relay · Airbus A321253NX

Difficulty date
August 9, 2024
Submitted
August 22, 2024
Operation
Air carrier
Aircraft
N441UW
Make and model
Airbus A321253NX
Aircraft serial
10684
Aircraft time
10,765 hours, 2,885 cycles
Engine
Cfmint LEAP1A33
Part
Relay
Part number
03166057A
Condition
Defective
Location
Zone 200
Stage of operation
CL
How discovered
V
Nature of condition
J
Precautionary procedure
A

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 RETURNED TO MIA DUE THE FLIGHT CREW REPORTING THAT DURING CLIMB A ENGINE 2 REVERSER MINOR FAULT AND A ENGINE REVERSER FAULT. THE AIRCRAFT LANDED SAFELY AT MIA WITHOUT FURTHER INCIDENT. FOR THE ENGINE 2 REVERSER MINOR FAULT MAINTENANCE ACCOMPLISHED TSM 78-37-00-810-843-A AND THE THRUST REVERSER CYCLING TEST WITH NO FAULTS NOTED. (AALA202408135603) ** ORIGINAL REPORT WAS AALA202408135534 ** MAINTENANCE REPLACED THE ELECTRICAL TERTIARY LOCK SYSTEM PER AMM 78-37-51. ALSO REPLACED RELAYS 2EG1 (AALA202408220571), 3EG1 (AALA202408221310), AND 4EG1 (AALA202408225980) PER AMM 78-37-00. A SATSFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED PER AMM 78-37-51 WITH NO FAULTS NOTED.

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