SDR FDEA201706281778

Service difficulty report · Stringer · Boeing 75721B

Difficulty date: June 28, 2017
Submitted: June 30, 2017
Operation: Air carrier
Aircraft: N934FD
Make and model: Boeing 75721B
Aircraft serial: 24331
Aircraft time: 56,883 hours, 37,067 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Stringer
Part number: 143N311057
Condition: Corroded
Location: Bs 760
Stage of operation: IN
How discovered: 9
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

UPON REMOVAL OF DOME NUT AT BS 760, STRINGER 20L FOUND CORRODED. REMOVED THE CORROSION IAW SRM 51-10-02, FOUND TO BE OUT OF LIMITS IAW SRM 53-00-03. REMOVED DAMAGED SECTION OF STRINGER IAW SRM 53-00-03-2R. FABRICATED A REPAIR IAW SRM 53-00-03, FIG 1. INSTALLED THE REPAIR IAW SRM 53-00-03.

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