What was found
4 MINUTES AFTER ENG START UP SMOKE & ACRID SMELL IN CABIN, RETURNED TO GATE. DEFERRED RT PACK IAW MEL 21-51-1A. PLACARD INSTALLED MM02 UPDATED. R & R ACM IAW JC 900-21-902. OPERATIONS CHECKED GOOD. PLACARD REMOVED & MM02 UPDATED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
4 MINUTES AFTER ENG START UP SMOKE & ACRID SMELL IN CABIN, RETURNED TO GATE. DEFERRED RT PACK IAW MEL 21-51-1A. PLACARD INSTALLED MM02 UPDATED. R & R ACM IAW JC 900-21-902. OPERATIONS CHECKED GOOD. PLACARD REMOVED & MM02 UPDATED.