# SDR UPS00432609

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2000
- Submitted: June 5, 2000
- Operation: Air carrier
- Aircraft: N520UP
- Make and model: Boeing 747-200B
- Registry model: [Boeing 747-200B](https://openairdocs.org/model/boeing-747-200b) (OpenAirDocs)
- Aircraft serial: 1
- System (JASC): [3411 · Pitot/Static System](https://openairdocs.org/jasc/3411)
- Part: Line
- Condition: Not Closed
- Location: E/E Bay
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS00432609

## Discrepancy

INSPECTION TYPE:C, AIR TURNBACK DUE TO FAILURE OF AIRSPEED AND ALTIMETER SYSTEM.  AFTER DEBRIEF WITH CREW, FLS COMPLETED AN INSPECTION OF A/C, FOUND CAPT''S AND F/O''S PITOT DRAIN LINES UNCAPPED IN THE E & E BAY.  THE FLAP SYS WAS OVERSPED.  *S/D*  CAPPED PITOT DRAIN LINES, OPS CHECK GOOD.  COMPLETED INSPECTION OF OVERSPED FLAPS.  REMOVED AND REPLACED BAD COMPONENTS ACCORDINGLY.  A/C OK FOR SERVICE.

---
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.