# SDR IPXA2026102778940

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 4, 2026
- Submitted: November 5, 2026
- Operation: Air carrier
- Aircraft: [N463UP](https://openairdocs.org/aircraft/N463UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 28267
- Aircraft time: 40,351 hours, 21,499 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 148N3770
- Condition: Delaminated
- 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/IPXA2026102778940

## Discrepancy

LOWER BILGE COMPOSITE SKIN PANEL BETWEEN STA 1963 TO 1992 FWD AND AFT EDGES DISBONDED WITH AREAS OF CORROSION INCLUDING FWD EDGE LEVELING COMPOUND DETERIORATED AND NOT SECURED. RL028. REPAIRED IAW: B757-200PF SRM 51-70-10-2R-4 REPAIR 4, PARA. 3, FIG. 201 (SHT 1), 202 (SHT 3), AND 204 (SHT 1).B757-200PF SRM 51-70-10-2R-0 REPAIR GENERAL AL SKIN/HONEYCOMB PANEL REPAIRS, PARA. 6 - 11 (BMS5-162 TYPE 1, PERM), 14 - 15 (TABLE 206, BMS5-137 TYPE 1, CLASS 3, 260 DEG F CURE 60 - 120 MIN.), 17 - 18, AND 20 - 22 (TABLE 208, BMS5-127 TYPE II, CLASS 1, 300 DEG F CURE, 6 HR), FIG. 201.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.