P4010021
EEL BATTERIES
Specifications
- Part Number
- P4010021
- Manufacturer
- Boeing
- ATA ChapterMaintenance system chapter
- 33 — LightsField reports: 25 (90%) · 33 (10%) · 52 (<1%) — 1,814 reports
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Safety / Emergency
- Inventory ClassRotable, expendable, or consumable
- Expendable
- Certification
- OEM
- Aircraft Category
- Unknown
- Criticality
- Standard
- Life & ShelfTypical service/shelf life — verify against OEM data
- Emergency Light Battery (EEL)calendarTypical: Replace ~3-5 yr— planning value, not this unit's certified limit
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
100%
Scrap Propensity (SDR-derived)
- SDR reports
- 1,814
- Replace events
- 1,685
- Repair events
- 1
- K-code events
- 1,660
Reporting window 1995-01-03 – 2026-06-08Dominant chapter ATA 25
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)
Alternate / Related Part Numbers(1)
95-3-1001pma replacement
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes2 applicable
Alternates1 found
ClassExpendable
CriticalityStandard
CategoryNarrow & wide-body
Know your business mix?
Upload your part numbers and get instant analytics — airframe breakdown, ATA depth, PMA concentration, and more.
Analyze my parts →