# SDR UIEA2021060101247

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 29, 2021
- Submitted: June 2, 2021
- Operation: Air carrier
- Aircraft: [N493MC](https://openairdocs.org/aircraft/N493MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29254
- Aircraft time: 92,141 hours, 14,935 cycles
- System (JASC): [5245 · Air Conditioning Doors](https://openairdocs.org/jasc/5245)
- Part: Hinge
- Part number: 149U7113T14
- Condition: Corroded
- Location: A/C Pack Door
- 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/UIEA2021060101247

## Discrepancy

CORROSION - HINGE, AIR CONDITIONING BAY LOWER DOOR FWD HINGE 191 AR(<P>REMOVED HINGE (PN 149U7113-14) FROM PNL NO 191AR. IAW AMM 20-51-01-912-008 REV 101 INSTALL HINGE WITH NEW. CONDITION CHK NORMAL.</P>)

---
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.