A321
Maintenance Airframe; Maintenance Powerplant
Situational Awareness; Troubleshooting
Aircraft Equipment Problem Critical; Deviation / Discrepancy - Procedural Maintenance; Deviation / Discrepancy - Procedural FAR; Deviation / Discrepancy - Procedural Published Material / Policy
General Maintenance Action
Aircraft; Human Factors
Cargo smoke detector found bad; parts not in stock. [I] robbed smoke detector from Aircraft Y; an A320 aircraft. Installed smoke detector in Aircraft X; an A321; and Operational Checks were good. While doing paperwork discovered part installed was 'Not-Effective' for Aircraft Y. [I] did not consult Illustrated Parts Catalog (IPC) for Aircraft X until after the part was installed. [I] contacted Supervisor; Manager and Technical Support. After further input from Engineering; the part was determined to be 'Not- Effective'. Check with IPC before installation.
A Lead Mechanic reports he robbed a cargo smoke detector from an A320 aircraft and installed it in an A321 without checking the Illustrated Parts Catalog (IPC). Although the Operational Checks passed; the smoke detector was later determined to be 'Not-Effective' for the A321 aircraft.