# SDR IPXA2025052717502

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2025
- Submitted: May 28, 2025
- Operation: Air carrier
- Aircraft: [N445UP](https://openairdocs.org/aircraft/N445UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 27390
- Aircraft time: 31,092 hours, 20,287 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: 144N2503133
- Condition: Cracked
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2025052717502

## Discrepancy

FAULT-STR-Z143-LH MLG W/W AFT BULKHEAD AT STA 1180 LBL 11 CHANNEL CRACKED-DOT 139-20, MR-139.  INSTALLED NEW CHANNEL ON LH MLG W/W AFT BULKHEAD AT STA 1180 LBL 11 IAW B757-200 SRM 51-40-02-0G-0 MATERIAL USED: P/N:04-001-0109 BTCH:0004371371 P/N:BACB30NX6K4 BTCH:0004286459 MS:20470ADAD5 BTCH:0004235493 P/N:BACC30BL8 BTCH:0004398202 BTCH:0004398202.  REVIEWED

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