# SDR UPS96421207

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N683UP
- Make and model: Boeing 747121
- Aircraft serial: 20353
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Upperchord
- Condition: Corroded
- Location: Bs 2140
- 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/UPS96421207

## Discrepancy

INSPECTION TYPE:  C.  UPPER CHORD CORRODED AT BS 2140 BETWEEN LBL 57 TO LBL 100.  REMOVED CORROSION AT UPPER CHORD AT BS 2140 BETWEEN LBL 57 TO LBL 10 0 ACC SRM 51-10-01.  CORROSION NOT IN LIMITS ACC SRM 53-10-01, REPLACED UPPER CHORD FROM LBL 48 TO LBL 108 ACC SRM 53-10-07 FIG 12.

---
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.
