Airplane Maintenance Manual
Bristell
B23-915
Chapter 04
supplement
Chapter 04 Page 2
Issue: 09.12.2021
04-10
Life Limited Components
04-10-01 Class I Parts Limitations
The following parts must be replaced or inspected as described below
at the intervals specified in Table 1.
Inspection for welded steel components must include dye-penetrant or
similar method.
Title
Drawing N°
Defined Interval
Engine Mount
Tubes
71B510000N Inspect every 5,000 hours
Replace at 18,000 hours
Bolts (to airframe)*
AN5-26A
AN5-32A
Replace at 1,000 hours*
Bolts (suspension frame
to engine mount)
AN7-42A
Replace at 1,000 hours
Table 1
Class I Parts
* Visual inspection for ovalisation of bracket holes on fuselage side.
04-10-03 Air Tow Hook Limitations
(if installed; optional equipment)
Air tow hook (TOST E85) time between overhaul is 10000 actuations.
This corresponds to a maximum of 2000 take-offs.
3
For general overhaul and servicing procedures refer to the operating
manual referred to in section
3
A general overhaul interval of 4 years is recommended by the tow hook manufacturer