# SDR UPS99230679

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 20, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N951UP
- Make and model: Boeing 727-25C
- Registry model: [Boeing 727-25C](https://openairdocs.org/model/boeing-727-25c) (OpenAirDocs)
- Aircraft serial: 19850
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Beam
- Part number: BAC15057075
- Condition: Corroded
- Location: Bs 835
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS99230679

## Discrepancy

INSPECTION TYPE:SI, CORROSION ON TOP SURFACE ON LONGITUDINAL BEAM AT BS 835, RBL 2, WL 208.  REMOVED CORROSION ON BEAM AT BS 835, RBL 2, WL 208 IN A 5.0 X 1.5 X .019 AREA ORIG THICKNESS OF .130, FOUND TO BE OUT OF LIMITS.  REMOVED BEAM FROM BS 740 - 870 AND REPLACED WITH NEW FABRICATED BEAM IAW SRM 51-30-5, SRM 51-30-2, SRM 51-30-8.

---
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.
