Service difficulty report · Drain Mast · Boeing 767306

Difficulty date
December 30, 2023
Submitted
January 3, 2024
Operation
Air carrier
Aircraft
N1399A
Make and model
Boeing 767306
Aircraft serial
27959
Aircraft time
99,268 hours, 20,157 cycles
Part
Drain Mast
Part number
417T209311
Part serial
TLS30997
Condition
Unknown
Location
Unknown
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FUSELAGE WITH EVIDENCE OF CORROSION FWD DRAIN MASTIL AFT SIDE(<P>FWD DRAIN MASTIL WAS REPLACED IAW AMM 38-31-01-404-010 REV 140 DATE 22 AUG 23, 45INLB WAS APPLIED S/N 1222912269 DUE DATE 17 AUG 24, HEATING TEST OK, BONDING TEST OK 0.08 MILLIOHMS S/N 005293 DUE DATE 31 MAY 24</P>)