July 2024:
Cox airparts will overhaul 9881200-1 ('77 G-model) powerpack for $4242 + parts with a 3-6 week lead time.
Power Packs Plus will exchange for $4975 (+ $10K qualifying core)
Aerospace Turbine Rotables says they've never heard of part number 9881200-1.
QAA in Tulsa say they cannot IRAN or OVHL.