SDR IPXA2015011985336

Service difficulty report · Frame · Boeing 747428F

Difficulty date: January 8, 2015
Submitted: January 19, 2015
Operation: Air carrier
Aircraft: N580UP
Make and model: Boeing 747428F
Aircraft serial: 25632
Aircraft time: 87,767 hours, 15,363 cycles
System (JASC): 5311 · Fuselage Main, Frame
Part: Frame
Part number: 65B018497
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:CM, DECK BS 2231, CRACKS WERE FOUND AT 2 EA HOLE BETWEEN S24 & S25 CRACK LOCATED AT FRAME INNER CHORD, UPPER HOLE RUNNING FORWARD WITH 0.060" AND LOWER HOLE WITH 0.040" LONG. M/DECK BS2231 STR 24L TO STR 25L FRAME FWD INNER CHORD IS REPAIRED IAW SRM 53-60-15-2R-2, FIG 201, REV 71 REFER NRC LCP 502728 FOR WORK DETAIL.