An A300 first officer reported that the APU generator was deferred at the gate; then during climb th...

Narrative:

When we arrived at the aircraft; it was raining heavily. During the preflight; the APU gen dropped offline. We thought it was because of all of the rain; possibly in the avionics compartment. We called for maintenance; who came out deferred the APU gen and inspected the avionics compartment. They dried it out with the pads and we thought everything was fine.as we were climbing out the #2 gen faulted and we complied with ECAM and QRH. Fearing it was related to all of the rain in the avionics compartment and having only one generator in heavy weather and rain; the captain [advised ATC] and we immediately returned uneventfully.

Original NASA ASRS Text

Title: An A300 First Officer reported that the APU generator was deferred at the gate; then during climb the #2 generator failed. The crew elected to return to the departure airport.

Narrative: When we arrived at the Aircraft; it was raining heavily. During the preflight; the APU Gen dropped offline. We thought it was because of all of the rain; possibly in the avionics compartment. We called for Maintenance; who came out deferred the APU Gen and inspected the Avionics Compartment. They dried it out with the pads and we thought everything was fine.As we were climbing out the #2 Gen faulted and we complied with ECAM and QRH. Fearing it was related to all of the rain in the avionics compartment and having only one generator in heavy weather and rain; the Captain [advised ATC] and we immediately returned uneventfully.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.

Attributes
ACN	1375633
Time
Date	201607
Environment
Flight Conditions	IMC
Aircraft 1
Make Model Name	A300
Operating Under FAR Part	Part 121
Flight Phase	Climb
Flight Plan	IFR
Component
Aircraft Component	AC Generation
Person 1
Function	First Officer
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	Aircraft Equipment Problem Critical

An A300 first officer reported that the APU generator was deferred at the gate; then during climb the #2 generator failed. The crew elected to return to the departure airport.