 Boeing 737 FMCS Return-to-Service Tester
Description:
Ideal Aerosmith, in partnership with Smiths Aerospace, now offers
a cost-effective PC-based return-to-service (RTS) tester for
Smiths Model 2907 4 MCU Flight Management Computer
System (FMCS) that is standard equipment on Boeing 737-
300/400/500 and 737-700/800/900 aircraft. The tester is fully
authorized by Smiths Aerospace and is programmed to
automatically execute the return-to-service test as specified in the
applicable Smiths FMCS Component Maintenance Manual
(CMM).
The FMCS RTS Tester can be used by avionics maintenance
shops to quickly test FMCs that have been removed by line
maintenance personnel. A successful test enables the airline to re-certify the FMCS as serviceable and filter No
Fault Found (NFF) units from the repair pipeline, thus avoiding NFF charges from the OEM. Fewer units in the
repair pipeline may allow the airline to reduce its FMCS spares requirement. An investment analysis using
conservative assumptions will generally lead to a payback within one year for even small fleets (< 8 aircraft).
The RTS tester uses a wraparound test approach. There are 31 tests run during the automated test that meet or
exceed the capabilities of the LRU's on-board BIT test. Each discrete output drives a group of discrete inputs,
and each ARINC 429 output drives one or more ARINC 429 inputs. The host PC connects directly to the LRU
via an RS-422 maintenance port that is used for loading data and executing test commands.
View B737 FMCS data sheet
Features:
- Pentium III PC - 500 MHz minimum
- 15- flat panel color monitor
- Internal Ethernet Port
- 128MB Ram
- >= 20 GB HDD
- Windows 2000 (or later) operating system
- Internal RS-422 interface card
- Internal Digital I/O card
- FMCS UUT Adapter Tray
- Interconnect Cables
- Smiths- 737 FMCS Return-to-Service Test Software
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