What was found
CUSTOMER WALKAROUND: L1 DOOR MAKING POPPING SOUND ON OUTSIDE NEAR UPPER HINGE WHEN CLOSING. ACFT GROUNDED. R & R L-1 DOOR CENTER ASSIST SPRING IAW AMM 52-11-41. OPS CHECK GOOD IAW AMM 52-11-41.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CUSTOMER WALKAROUND: L1 DOOR MAKING POPPING SOUND ON OUTSIDE NEAR UPPER HINGE WHEN CLOSING. ACFT GROUNDED. R & R L-1 DOOR CENTER ASSIST SPRING IAW AMM 52-11-41. OPS CHECK GOOD IAW AMM 52-11-41.