# SDR IPXA2020101861398

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 2020
- Submitted: October 19, 2020
- Operation: Air carrier
- Aircraft: [N253UP](https://openairdocs.org/aircraft/N253UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48439
- Aircraft time: 75,162 hours, 16,351 cycles
- System (JASC): [5340 · Fuselage Main, Attach Fittings](https://openairdocs.org/jasc/5340)
- Part: Tee Fitting
- Part number: NCA6042171
- Condition: Corroded
- Location: Bs 459
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2020101861398

## Discrepancy

INSPECTION TYPE: 2C FOUND ADDITIONAL CORROSION ON T-ANGLE IN FWD AVIONICS COMPARTMENT AFT BULKHEAD AT STA 459 RBL 4 JUST BELOW REMOVED VERTICAL STIFFENER.  REMOVED, FABRICATED, AND INSTALLED T-ANGLE IN FWD AVIONICS, IAW SRM 51-33-01.  (MINOR)

---
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.