12 - SERVICING
- 12-00 SERVICING
- 12-10 REPLENISHING
- 12-11 FUEL
- 12-12 HYDRAULIC FLUIDS
- 12-13 OIL
- 12-14 GAS
- 12-15 WATER
- 12-16 LAVATORY
- 12-17 RAIN REPELLENT
- 12-20 SCHEDULED SERVICING
- 12-21 CLEANING
- 12-22 LUBRICATION
- 12-24 DRAINAGE
- 12-28 USE OF MANUAL (MAGNETIC) FUEL QUANTITY INDICATORS
- 12-30 UNSCHEDULED SERVICING
- 12-31 AIRCRAFT PROTECTION
- 12-32 SAMPLING FOR ANALYSIS
- 12-33 PRE-CONDITIONING
- 12-34 GROUNDING POINTS
- 12-36 SYSTEM LINE FLUSHING