B717 (Formerly MD-95)
Maintenance Airframe; Maintenance Powerplant
Maintenance Technician 15
Aircraft Equipment Problem Critical; Deviation / Discrepancy - Procedural FAR; Deviation / Discrepancy - Procedural Published Material / Policy
General Maintenance Action
Procedure; Human Factors; Aircraft; Environment - Non Weather Related
During a routine A check inspection heavy corrosion along several areas of the fuselage PSE were missed by the mechanics performing the routine A check task cards. The aircraft is in the maintenance hangar currently. If not addressed; the corrosion could possibly weaken the pressurized structure and cause rapid decompression.
Maintenance Technician reports discovering during a routine A check inspection; heavy corrosion along several areas of the fuselage PSE [Principle Structural Elements] were missed by the mechanics performing the A check task cards.