1. Stop maintenance work: You realize the mistake and immediately stop further maintenance work to ensure safety.

2. Don't try to tamper with or conceal: follow the principle of honesty and transparency, and don't try to tamper with or conceal mistakes. Honestly report the error to the relevant person in charge or regulatory agency.

3. Seek professional help: contact the relevant tanker manufacturer, supplier or maintenance service provider and tell them the details of the error. They will be able to provide professional guidance and suggestions to solve problems.

4. Restore the lead seal: Professional maintenance service providers can help you restore the lead seal of the motherboard. They can take appropriate measures to ensure the safety and integrity of the motherboard and the compliance of maintenance work. An airplane that refuels airplanes and helicopters in flight. Make the receiver extend the range, prolong the battery life, increase the payload and improve the long-range combat capability. Most aerial tankers are refitted from large transport planes or strategic bombers, and the refueling equipment is installed in the nacelle at the tail of the fuselage or under the wing, and controlled by pilots or oilers.