# SDR UPS06246025

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 2006
- Submitted: January 25, 2006
- Operation: Air carrier
- Aircraft: N938UP
- Make and model: Boeing 727173C
- Aircraft serial: 19506
- Aircraft time: 53,564 hours, 34,429 cycles
- Engine: Rroyce TAY65154
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Condition: Corroded
- Location: Bs 870
- 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/UPS06246025

## Discrepancy

C-CHECK AND SI LIGHT SURFACE CORROSION ON AFT 870 LT OB STIFFENER 21 INCHES UP FROM BOTTOM EDGE OF LT.     CORROSION REMOVED IAW SRM 51-10-6 AND FOUND TO BE OUTSIDE LIMITS 53-10 -1. REPAIR CARRIED OUT IAW SRM 51-40-4 .

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