What was found
IN CRUISE AT FL350 COCKIPIT CREW NOTICED STRONG VIBRATION FROM FWD BELLY OF AIRCRAFT-OBSERVED RATTLING NOISE FROM SIPHON-AVNCS VENT LOWER BRACKET. R/R BRACKET PER AMM 21-26-43. NO FURTHER VIBRATION AT THIS TIME.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
IN CRUISE AT FL350 COCKIPIT CREW NOTICED STRONG VIBRATION FROM FWD BELLY OF AIRCRAFT-OBSERVED RATTLING NOISE FROM SIPHON-AVNCS VENT LOWER BRACKET. R/R BRACKET PER AMM 21-26-43. NO FURTHER VIBRATION AT THIS TIME.