# SDR UPS07550358

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 19, 2007
- Submitted: August 1, 2007
- Operation: Air carrier
- Aircraft: [N401UP](https://openairdocs.org/aircraft/N401UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 23723
- Aircraft time: 24,841 hours, 17,073 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 2024T3050
- Condition: Bulged
- Location: Fuselage
- 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/UPS07550358

## Discrepancy

INSPECTION TYPE:C LOWER EXT FUSELAGE SKIN BULGING APPROX BS 543 BETWEEN S24L- S25L.  REMOVED FASTENER AT AFFECTED AREA COMMON TO REPAIR IAW SRM 51-40-02 AND CUT OUT DAMAGED SECTION L.2.9" X W2.4" IAW SRM 53-00-01-2R3.  HFEC INSPECTED CUTOUT PER NTM51-00-01PT6 NO DEFECTS NOTED.  FABRICATED REPAIR DOUBLER (P/N 2024T3.050W B.N. 1276774) IAW SRM 53-00 -01-2R 3 FIG 201 TBL 1, LOCATED & DRILLED IAW SRM 51-40-05.

---
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.