# SDR IPXA2015011985336

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 2015
- Submitted: January 19, 2015
- Operation: Air carrier
- Aircraft: [N580UP](https://openairdocs.org/aircraft/N580UP), registered now
- Make and model: Boeing 747428F
- Aircraft serial: 25632
- Aircraft time: 87,767 hours, 15,363 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: 65B018497
- Condition: Cracked
- Location: Bs 2231
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2015011985336

## Discrepancy

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.

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