SDR IPXA2015071691195

Service difficulty report · Frame · Boeing 74745E

Difficulty date: July 3, 2015
Submitted: July 17, 2015
Operation: Air carrier
Aircraft: N579UP
Make and model: Boeing 74745E
Aircraft serial: 26062
Aircraft time: 89,578 hours, 15,251 cycles
System (JASC): 5311 · Fuselage Main, Frame
Part: Frame
Condition: Cracked
Location: Bs 2231
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

INSPECTION TYPE: C, MAIN DECK BS 2231 FRAME, STR 16L WAS FOUND WITH ONE FASTENER HOLE CRACKED AT THE FORWARD INNER CHORD RUNNING AT 5 O/C POSITION APPROXIMATELY 0.020". FRAME OVERSIZED IAW EO NT B747-5310-27767-F, FIG 4 CIRCLE NOTE 3, PG C13, ITEM 26 AND HX RI NO RI-53-60-10991, REV A.

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