B737 first officer reported malfunctions with airspeed and altitude instruments as well as the eecs.

Attributes
ACN	1589457
Time
Date	201810
Place
Locale Reference	SAN.Airport
State Reference	CA
Environment
Flight Conditions	VMC
Aircraft 1
Make Model Name	B737 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	Cruise
Flight Plan	IFR
Component
Aircraft Component	Pitot-Static System
Person 1
Function	First Officer Pilot Not Flying
Qualification	Flight Crew Multiengine Flight Crew Instrument Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Last 90 Days 180 Flight Crew Total 10000 Flight Crew Type 3669
Events
Anomaly	Aircraft Equipment Problem Less Severe

Narrative:

Approaching TOD at FL380 received first officer (first officer) over speed clacker accompanied by airspeed disagree and altimeter disagree. Captain instruments and stby instruments were in agreement and normal range. First officer airspeed indicated greater than vmo. Conducted airspeed unreliable checklist. During this also received engine master caution due to eecs switching to altn. Conducted eec alternate mode checklist. Also began to have problems with VNAV. Reviewed approach pages of QRH for approach requirements. Both checklists complete decided to continue to san. [Notified] ATC to make them aware of our degraded condition. Notified flight attendants and passengers. Notified dispatch via acars and entered quick [notice and request] for maintenance. Conducted arrival and descent with captain as PF (pilot flying); autopilot a on; autothrottles off using combination of level change and vertical speed. Localizer 27 to san in VMC to uneventful landing. Taxi to gate and normal shutdown and deplaning.

Original NASA ASRS Text

Title: B737 First Officer reported malfunctions with airspeed and altitude instruments as well as the EECs.

Narrative: Approaching TOD at FL380 received FO (First Officer) over speed clacker accompanied by airspeed disagree and altimeter disagree. CAPT instruments and STBY instruments were in agreement and normal range. FO airspeed indicated greater than Vmo. Conducted airspeed unreliable checklist. During this also received ENG master caution due to EECs switching to ALTN. Conducted EEC alternate mode checklist. Also began to have problems with VNAV. Reviewed Approach pages of QRH for approach requirements. Both checklists complete decided to continue to SAN. [Notified] ATC to make them aware of our degraded condition. Notified flight attendants and passengers. Notified Dispatch via acars and entered quick [notice and request] for maintenance. Conducted arrival and descent with CAPT as PF (Pilot Flying); autopilot A on; autothrottles off using combination of level change and vertical speed. LOC 27 to SAN in VMC to uneventful landing. Taxi to gate and normal shutdown and deplaning.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.