What was found
UNCOMMANDED STAB CH 2 & MACH TRIM DISCONNECT AT GATE. REMOVED AND REPLACED HSTCU. OP CHECKS & BITE CHECKS GOOD AT THIS TIME. REF AMM 27-40-00. SYSTEM CERTIFIED CAT II & RVSM. A/C OK FOR SERVICE. PART EFFECTIVITY VERIFIED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UNCOMMANDED STAB CH 2 & MACH TRIM DISCONNECT AT GATE. REMOVED AND REPLACED HSTCU. OP CHECKS & BITE CHECKS GOOD AT THIS TIME. REF AMM 27-40-00. SYSTEM CERTIFIED CAT II & RVSM. A/C OK FOR SERVICE. PART EFFECTIVITY VERIFIED.