Boeing published this Service Bulletin in 2022.
ืืืืื ื ืคืจืกืื ืขืืื ืฉืืจืืช ืื ื-2022.
Technicians inspected the APU fuel line shroud carefully.
ืืืื ืืื ืืืงื ืืงืคืืื ืืช ืืขืืคืช ืงื ืืืง ื-APU.
The FAA approved the changes described in the bulletin.
ื-FAA ืืืฉืจ ืืช ืืฉืื ืืืื ืืืชืืืจืื ืืขืืื.
Mechanics installed a new pressure switch wire clamp.
ืืืืื ืืื ืืชืงืื ื ืืืืง ืืื ืืชื ืืืฅ ืืืฉ.
Some operators reported damage to the fuel line shroud.
ืืืง ืืืืคืขืืืื ืืืืืื ืขื ื ืืง ืืืขืืคืช ืงื ืืืืง.
The crew repaired the damaged section of the shroud.
ืืฆืืืช ืชืืงื ืืช ืืงืืข ืืคืืื ืืืขืืคืช.
Workers tightened the bolt to the correct torque value.
ืืขืืืืื ืืืืงื ืืช ืืืืจื ืืขืจื ืืืืื ื ืื ืืื.
Boeing requested that operators comply within 36 months.
ืืืืื ื ืืืงืฉื ืืืืคืขืืืื ืืขืืื ืืืจืืฉืืช ืชืื 36 ืืืืฉืื.
The inspection team examined every affected airplane.
ืฆืืืช ืืืืืงื ืืื ืื ืืืืก ืฉืืืฉืคืข.
The airline completed the repair before the deadline.
ืืืจืช ืืชืขืืคื ืืฉืืืื ืืช ืืชืืงืื ืืคื ื ืืืืขื ืืืืจืื.
Boeing sent this document to every registered operator.
ืืืืื ื ืฉืืื ืืกืื ืื ืืื ืืคืขืื ืจืฉืื.
Inspectors found cracks on the APU fuel line shroud.
ืืืคืงืืื ืืฆืื ืกืืงืื ืืืขืืคืช ืงื ืืืง ื-APU.
Boeing made this bulletin because of a chafing problem.
ืืืืื ื ืืืื ื ืขืืื ืื ืืืื ืืขืืืช ืฉืคืฉืืฃ.
The FAA gave its approval for the required changes.
ื-FAA ื ืชื ืืช ืืืฉืืจื ืืฉืื ืืืื ืื ืืจืฉืื.
Some operators had tie straps instead of proper clamps.
ืืืืง ืืืืคืขืืืื ืืื ืจืฆืืขืืช ืงืฉืืจื ืืืงืื ืืืืงืื ืชืงืื ืื.
Technicians took the cargo bulkhead liner off for access.
ืืืื ืืื ืืกืืจื ืืช ืฆืืคืื ืืืืฆืช ืืืืขื ืืื ืืืคืฉืจ ืืืฉื.
Boeing knew about the damage after receiving several reports.
ืืืืื ื ืืืขื ืขื ืื ืืง ืืืืจ ืฉืงืืืื ืืกืคืจ ืืืืืืื.
The mechanic kept the old shroud until the repair was verified.
ืืืืื ืื ืฉืืจ ืืช ืืืขืืคืช ืืืฉื ื ืขื ืฉืืืืช ืืชืืงืื.
The Service Bulletin was issued on February 25, 2022.
ืขืืื ืืฉืืจืืช ืคืืจืกื ื-25 ืืคืืจืืืจ 2022.
The new parts were supplied by the operator, not by Boeing.
ืืืืงืื ืืืืฉืื ืกืืคืงื ืขื ืืื ืืืคืขืื, ืื ืขื ืืื ืืืืื ื.
The clamp bolt was not installed correctly on some airplanes.
ืืืจื ืืืืืง ืื ืืืชืงื ืืจืืื ืืืืง ืืืืืืกืื.
All the affected airplanes were included in this bulletin.
ืื ืืืืืกืื ืืืืฉืคืขืื ื ืืืื ืืขืืื ืื.
The revised bulletin was sent to operators in January 2024.
ืืขืืื ืืืขืืืื ื ืฉืื ืืืคืขืืืื ืืื ืืืจ 2024.
Special tools were not required to complete this repair.
ืื ื ืืจืฉื ืืืื ืืืืืืื ืืื ืืืฉืืื ืืช ืืชืืงืื ืืื.
Did Boeing find any damage during the investigation?
ืืื ืืืืื ื ืืฆืื ื ืืง ืืืืื ืืืงืืจื?
Was the pressure switch wire clamp installed correctly?
ืืื ืืืืง ืืื ืืชื ืืืืฅ ืืืชืงื ืืจืืื?
Were the bolts tightened to the correct torque value?
ืืื ืืืจืืื ืืืืงื ืืขืจื ืืืืื ื ืื ืืื?
When was this Service Bulletin published?
ืืชื ืคืืจืกื ืขืืื ืืฉืืจืืช ืืื?
What did technicians inspect on the APU fuel line?
ืื ืืืงื ืืืื ืืื ืืงื ืืืง ื-APU?
Why were some operators still using tie straps instead of clamps?
ืืืืข ืืืง ืืืืคืขืืืื ืขืืืื ืืฉืชืืฉื ืืจืฆืืขืืช ืงืฉืืจื ืืืงืื ืืืืืงืื?