2156606A

SMOKE DETECTOR

PMA

Specifications

Part Number
2156606A
Manufacturer
—
ATA ChapterMaintenance system chapter
26 — Fire ProtectionField reports: 26 (100%) — 6 reports
CapabilitySystem area (hydraulics, avionics, landing gear…)
Safety / Emergency
Inventory ClassRotable, expendable, or consumable
Rotable
Certification
PMA
Aircraft Category
Unknown
Criticality
Critical
Life & ShelfTypical service/shelf life — verify against OEM data
Smoke Detectoron-conditionTypical: On-condition; some 10-yr calendar— planning value, not this unit's certified limit

Service Reliabilityfrom FAA SDR (Service Difficulty Reports)

100%
Scrap Propensity (SDR-derived)
low confidence
SDR reports
6
Replace events
5
Repair events
0
K-code events
2
Reporting window 2002-05-19 – 2021-06-25Dominant chapter ATA 26

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(4)

757-200767-300757767

Data Sources(1)

Quick Facts

Airframes4 applicable
AlternatesNone recorded
ClassRotable
CriticalityCritical
CategoryUnknown

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