# SDR UIEA2021021200283

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2021
- Submitted: February 12, 2021
- Operation: Air carrier
- Aircraft: [N1327A](https://openairdocs.org/aircraft/N1327A), registered now
- Make and model: Boeing 767-37D
- Registry model: [Boeing 767-37D](https://openairdocs.org/model/boeing-767-37d) (OpenAirDocs)
- Aircraft serial: 26328
- Aircraft time: 87,858 hours, 13,597 cycles
- System (JASC): [3411 · Pitot/Static System](https://openairdocs.org/jasc/3411)
- Part: Pitot Tube
- Part number: 0856LU55
- Part serial: 200797
- Condition: Malfunctioned
- Location: Captain'S
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021021200283

## Discrepancy

AT FL360 RECEIVED EICAS  "ALT DISAGREE" CAPT ALT READ 36000, FO 36250, STBY 36600 / REF LP 1247173 ITEM #1(<P>REMOVED AND REPLACED LH UPPER PITOT TUBE ASSY (CA'S PRIMARY) IAW AMM 34-11-01. OPS CHECKED IAW AMM 34-11-00, OPS CHECKS GOOD AT THIS TIME. MCC REQUEST REPLACEMENT OF RH LOWER PITOT TUBE ASSY. SEE LOG PAGE 1247174 ITEM M6 FOR CORRECTIVE ACTION FOR RH UNIT.</P><P><SPAN>LOG PAGE 1247174 ITEM M6: </SPAN>REMOVED AND REPLACED RH LOWER PITOT TUBE ASSY (CAPTS AUX) IAW AMM 34-11-01. OPS CHECKED GOOD AT THIS TIME. LEAK CHECKS GOOD AT THIS TIME (OFF PART: PN <SPAN>0856LU6, SN </SPAN><SPAN>164595).</SPAN></P>)

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