What was found
DURING SCHEDULED B-1 CHECK IAW JOB CARD HB2601 FOUND ENGINE/APU HALON DIRECTIONAL CHECK VALVE BROKEN / REPAIR ACCOMPLISHED BY REPLACEMENT IAW SMP581 CHAP 26-20, PARA F & G, NR 2-1-21.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING SCHEDULED B-1 CHECK IAW JOB CARD HB2601 FOUND ENGINE/APU HALON DIRECTIONAL CHECK VALVE BROKEN / REPAIR ACCOMPLISHED BY REPLACEMENT IAW SMP581 CHAP 26-20, PARA F & G, NR 2-1-21.