33990046U2
CONTROL UNIT
Specifications
- Part Number
- 33990046U2
- Manufacturer
- —
- ATA ChapterMaintenance system chapter
- 36 — PneumaticField reports: 36 (95%) · 34 (5%) — 20 reports
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- unknown
- Inventory ClassRotable, expendable, or consumable
- Rotable
- Certification
- OEM
- Aircraft Category
- Unknown
- Criticality
- Standard
- Life & ShelfTypical service/shelf life — verify against OEM data
- —
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
100%
Scrap Propensity (SDR-derived)
- SDR reports
- 20
- Replace events
- 19
- Repair events
- 0
- K-code events
- 6
Reporting window 2009-07-31 – 2013-08-04Dominant chapter ATA 36
Directional indicator only. Reflects what operators reported to the FAA when a difficulty was logged — not a fleet-normalized failure rate or a cost-based BER. Use alongside operator-specific data.
Airframe Applicability(2)
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes2 applicable
AlternatesNone recorded
ClassRotable
CriticalityStandard
CategoryNarrow-body
Know your business mix?
Upload your part numbers and get instant analytics — airframe breakdown, ATA depth, PMA concentration, and more.
Analyze my parts →