SDR FDEA202201190234

Service difficulty report · Doubler · Doug MD11F

Difficulty date: January 19, 2022
Submitted: February 7, 2022
Operation: Air carrier
Aircraft: N528FE
Make and model: Doug MD11F
Aircraft serial: 48623
Aircraft time: 70,719 hours, 15,467 cycles
System (JASC): 5710 · Wing Main, Frame Structure
Part: Doubler
Part number: NRB6711
Condition: Corroded
Location: Zone 600
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

R/H TOP WING, GROSS WEIGHT MOD DOUBLER IS CORRODED ON THE TOP O/B AFT SECTION. REMOVED TAPERLOK, CLEANED CORROSTION, FOUND WITHIN LIMITS AND INSTALLED HILOK IAW SRM 51-21-01-0G, SRM 51-33-01-0G AND DPS 3.67-60 EA T1-5710-T0366845P1 WING - BASIC WING STRCTURE - RH WING MLG SUPPORT UPPER DOUBLER - REWORK

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