Service difficulty report · Fairing · Boeing 747409

Difficulty date
December 6, 2015
Submitted
December 10, 2015
Operation
Air carrier
Aircraft
N780BA
Make and model
Boeing 747409
Aircraft serial
24310
Aircraft time
76,891 hours, 14,922 cycles
Part
Fairing
Condition
Corroded
Location
Rt Wing
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

CORROSION SURFACE, FOUND SURFACE RT WING INBD DOOR FAIRING UPPER WAS CORRODED. BLENDED OUT THE DAMAGE AREA & MEASURED REWORKED AREA L X W X D = 2X1.5X0.0044. ORIGINAL THICKNESS WAS 0.071 WHICH WAS WITHIN THE ALLOWABLE LIMIT IAW SRM 52-80-02, ALLOWABLE DAMAGE 4 FIG.101 III REV 32 DETAIL DATA IAW TO IC ATTACHING SHEET NR 0069557. APPLIED PROTECTIVE TREATMENT & FINISH IAW SRM 5-1-20 -02 REV 32. JOB COMPLETED & COND CHECKED NORMAL.