As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MANIFOLD FAULT DETECT LOOPS ON LT SELECT WONT TEST ON BOTH. DEFERRED LT LOOP "A" IAW MEL 36-12-03."B" TESTS OK. REPLACED WIRE HARNESS 81HF IN AIRCONDITIONING COMPARTMENT FOR 'A' LOOP MAINFOLD FAULT DETECTION OPS CKS GOOD PER MM 26-16-00.