SDR 98FDEA00646

Service difficulty report · Adc · Boeing 727247

Difficulty date: October 9, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N235FE
Make and model: Boeing 727247
Aircraft serial: 21329
System (JASC): 3417 · Air Data Computer
Part: Adc
Part number: HG480B13
Condition: Failed
Location: E & E Comp
Stage of operation: CL
Nature of condition: J
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

98-246 ON CLIMB-OUT, LOST CAPT AIRSPEED CAPT ALT, GPWS, ALT ALERTER, TRANSPONDER NR 1, & MODE C IN BOTH TRANSPONDER & AUTOPILOT. REMOVED AND REPLACED DADC PER BOEING 727 MM CHAPTER 34-12-11. OPER CKS NORM. AUTOPILOT DOWNGRADED TO CK CAT 2 STATUS. A/C DOWNGRADED TO NOT CAT 2 STATUS.