SDR EIA2003144

Service difficulty report · Lap Joint · Boeing 747212B

Difficulty date: October 20, 2003
Submitted: October 28, 2003
Operation: Air carrier
Aircraft: N482EV
Make and model: Boeing 747212B
Aircraft serial: 20713
Aircraft time: 91,805 hours, 2,139 cycles
Engine: Pwa JT9D*
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Lap Joint
Condition: Damaged
Location: Fuselage
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

UPON REMOVAL OF A/C DUCTS, CHAFFING WAS FOUND ON UPPER AND LOWER SKINS AND ON NUMEROUS FASTENERS AT STA. 980 STRINGER 39 LAP JOINT. REPAIRED DAMAGE ON UPPER AND LOWER SKINS AND FASTENERS AT STA. 980 STRINGER 39L, LAP JOINT IAW B747 SRM 53-30-03 FIG 13 AND B747 SRM 53-10-03, FIG 1.

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