Service difficulty report · Unknown · Boeing 767323

Difficulty date
July 1, 2023
Submitted
July 7, 2023
Operation
Air carrier
Aircraft
N399CM
Make and model
Boeing 767323
Aircraft serial
25451
Aircraft time
109,495 hours, 18,580 cycles
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

PITTING CORROSION FOUND ON THE FUSELAGE EXTERNAL SKIN BETWEEN STR26R AND STR36R ,BETWEEN STA1832 AND STA1809. THE CORROSION REMOVED AND MEASURED: THE ORIGINAL THICKNESS T = 0.071", THE DEPTH OF CLEANUP X=0.003" < 15% T. FOUND WITHING LIMITS AS PER B767-300 SRM 53-00-01-1A-1 FIG 101 REVISION NO.122 APR 15/2023.