SDR UIEA2020063051290

Service difficulty report · Skin · Boeing 747446

Difficulty date: June 28, 2020
Submitted: June 30, 2020
Operation: Air carrier
Aircraft: N465MC
Make and model: Boeing 747446
Aircraft serial: 24784
Aircraft time: 101,718 hours, 19,674 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Condition: Corroded
Location: Bs 2090
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

AFT FUSELAGE RT WASTE SYSTEM OVERBOARD VENT SKIN FOUND CORRODED, BS 2090, STRINGERS 35R-36R, SURFACE CORROSION REMOVED AND PROTECTED IAW SRM 51-10-02, AND SRM 51-20-01. CHECKED WITHIN SRM 53-00-01-1A-1 ALLOWABLE DAMAGE 1, FIG 101 LIMITS.