What was found
ACRID ODOR IN FORWARD CABIN AT LEVEL OFF ALTITUDE AN NO ENGINE ANOMALIES; NO PRESSURIZATIONPROBLEMS. WE DEPLOYED PAX O2 MASKS MANUALLY<[01] PERFORMED CONDITIONAL INSPECTION PER AMM 05-51-56 SMOKE OR FUMES IN CABIN. ACCOMPLISHED FIM 21-00 TASK 806. FOUND NO EVIDENCE OF HYDRAULIC OR OIL IN ENGINES/APU BLEED SUPPLY; CONDITIONED AIR FROM PACKS SUPPLY; OR DOWNSTREAM TO CABIN AND FLIGHT DECK AIR SUPPLY. NO EVIDENCE OF ANY ELECTRICAL BURNT SMELL WITH ALL AIRCRAFT SYSTEMS ON. RETURNED AIRCRAFT TO NORMAL CONDITIONS. ADDITIONAL TOOLING INFO: PN 21510001-04.;[02] SEE LP 2451104 FOR PAX O2 MASK DEPLOYED;[03] SEE LP 2451104 FOR PAX O2 MASKS DEPLOYED