The auxiliary feedwater pump is used to supply water to the plant's steam generators if the main pump is knocked out.
From the stltoday.com
The inspections were meant to ensure that wiring for an auxiliary hydraulic pump was properly installed and secured.
From the washingtonpost.com
The checks aim to verify that the carriers properly installed a sleeve covering a wire bundle to an auxiliary hydraulic pump in the twin-engine planes.
From the inrich.com
At the same time, a fleet auxiliary, the Boxall, began to pump the 10,000 tons of fuel oil into her own tanks.
From the en.wikipedia.org
An auxiliary reactor feedwater pump will be upgraded, and bolts that help hold fuel rods in place inside the reactor vessel will be replaced or inspected, Constellation spokeswoman Maria Hudson said.