SDR MK1Y20201029002

Service difficulty report · Door Sill · Boeing 767316

Difficulty date: October 29, 2020
Submitted: October 29, 2020
Operation: General aviation
Filed by: MK1Y325K
Bedek Aviation Group
Aircraft: N544LA
Make and model: Boeing 767316
Aircraft serial: 29227
Aircraft time: 90,996 hours, 18,630 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Door Sill
Condition: Corroded
Location: Fwd Cargo
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

FWD CARGO DOOR, LOWER MAIN SILL, OUTER CHORD, STA 500, RBL 44.0. DURING INSPECTION AT IAI, THE CORROSION WAS FOUND ON OUTER CHORD P/N 143T8205-3. THE CORROSION WAS REMOVED, PER SRM 53-00-15, ALLOWABLE DAMAGE. AFTER THE REMOVAL THE MINIMUM THICKNESS IS 0.150" (0.190" INITIAL), 0.040" THICKNESS REDUCED.