Service difficulty report · Relay · Airbus A321231

Difficulty date
September 6, 2017
Submitted
September 10, 2017
Operation
Air carrier
Aircraft
N166NN
Make and model
Airbus A321231
Aircraft serial
6973
Aircraft time
3,564 hours, 1,385 cycles
Part
Relay
Condition
Defective
Location
Zone 700
Stage of operation
LD
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

LANDING GEAR WOULD NOT EXTEND NORMALLY. GRAVITY EXTENSION WAS REQUIRED. MAINTENANCE FOUND A BAD RELAY 62GA IAW TSM 32-31-00-810-808-A. REPLACED HERMETICAL RELAY AND ACCOMPLISHED AMM 32-31-00-720-002-A. NO FAULTS NOTED. AIRCRAFT WAS GROUNDED.

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