# SDR UPS202598

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 6, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N938UP
- Make and model: Boeing 727173C
- Aircraft serial: 19506
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib Chord
- Condition: Corroded
- Location: Wing/Body
- 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/UPS202598

## Discrepancy

WHILE IN 'D' CHECK, MAINTENANCE FOUND CORROSION ON UPPER VERTICAL FLANGE OF THE WING TO BODY RIB UPPER CHORDS AT BS 760, RBL 70.5, AND LBL 70.5.  INSTALLED REPAIR PER UPS EO B727-5710-1271F.

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