# SDR UIEA2022042800411

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 30, 2022
- Submitted: May 4, 2022
- Operation: Air carrier
- Aircraft: [N477MC](https://openairdocs.org/aircraft/N477MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29255
- Aircraft time: 94,642 hours, 16,669 cycles
- System (JASC): [5200 · Doors](https://openairdocs.org/jasc/5200)
- Part: Bearing
- Part number: NPN
- Part serial: NSN
- Condition: None
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2022042800411

## Discrepancy

DAMAGE - L1 DOOR AFT/ UPPER LATCH CAM & DOOR OPEN AFT/ LOWER TORQUE BEARING(<P>1) IAW AMM TASK 52-11-19-001-001 REV 103 AND 52-11-19-404-008 REV 103 REPLACE L1 DOOR FWD LOWER LATCH TORQUE TUBE BEARING. 2) IAW AMM 52-11-01-735-080 REV 103 RPL AND ADT L1 DOOR AFT UPPER LATCH FITTING COND CHECK NML</P>)

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