SDR EIA2002111

Service difficulty report · Stringer · Boeing 747121

Difficulty date: November 8, 2002
Submitted: February 14, 2003
Operation: Air carrier
Aircraft: N480EV
Make and model: Boeing 747121
Aircraft serial: 20348
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Stringer
Condition: Corroded
Location: Fuselage
Component: Aar
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

MZJ - FOUND FUSELAGE MAIN DECK BETWEEN BS 2060-2080 BETWEEN STRINGER 20L AND 22L CORROSION ON STRINGER COMMON TO THE WINDOW FORGING. REMOVED WINDOW PLUG AND FORGING, REMOVED CORROSION, ROTO PEENED ALODINED, PRIMED AND INSTALLED REPAIRED DOUBLER PER ECRA 480-53-143-2 AND B747 SRM 51-30-02 PAGE 5-9, 51-10-01 PAGE 13-14, 56-20-01 FIG 1 AND 4 BSOPM 20-13-03, B747 SRM 51-10-02 PAGE 7 AND 8, 51-10-06 PAGE 1-3 AND B747 MM 56-20-01 PAGE 402-407. (M)