What was found
YIP - NR 1 FIRST OFFICERS AIRSPEED INDICATOR INOP. DUPLICATED MALFUNCTION, REMOVED AND REPLACED FIRST OFFICERS AIRSPEED INDICATOR. SYSTEM OPERATIONAL CHECKS GOOD IAW DC9 MM CHAPTER 34-10-01. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
YIP - NR 1 FIRST OFFICERS AIRSPEED INDICATOR INOP. DUPLICATED MALFUNCTION, REMOVED AND REPLACED FIRST OFFICERS AIRSPEED INDICATOR. SYSTEM OPERATIONAL CHECKS GOOD IAW DC9 MM CHAPTER 34-10-01. (M)