Service difficulty report · Grounding Strap · Airbus A320232

Difficulty date
November 9, 2010
Submitted
November 17, 2010
Operation
Air carrier
Aircraft
N422UA
Make and model
Airbus A320232
Aircraft serial
503
Aircraft time
55,302 hours, 20,516 cycles
Engine
Iae V2527A5
Part
Grounding Strap
Condition
Loose
Location
Galley
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

ELECTRIC SHOCK FELT IN GALLEY WHEN ELEC PWR IS TRANSFERRED. ENTIRE GALLEY HAS BEEN HAS BEEN ELECTRICALLY DEACTIVATED. NO SHOCK NOTICED WHEN TRANSFERRING POWER. NEED TO CHECK THE GALLEY ELECTRICAL BONDING AND GROUNDING. FOUND POOR ELECTRICAL BONDING BETWEEN G1 COUNTERTOP AND AC STRUCTURE (114 KILOHMS). REMOVED OVENS AND FOUND LOOSE BONDING STRAP. SECURED STRAP AND CLEANED OVERHEAD GROUNDING CONNECTIONS AND SECURED 106589 OVERHEAD GROUNDS. REINSTALLED OVENS AND REACTIVATED GALLEYS G1 AND G2. RESISTANCE BETWEEN GALLEY BONDING POINTS, GALLEY COUNTER TOPS AND AIRCRAFT STRUCTURE ALL CHECKS WITHIN LIMITS.

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