What was found
OVERHEAD CABIN AIR CONDITIONING DUCT STA 450 TO 670 HAS NUMEROUS AREAS OF DELAMINATION AND CRACKING. *S/D* REPAIRED OVERHEAD A/C DUCT IAW BOEING CMM 25-00-67.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
OVERHEAD CABIN AIR CONDITIONING DUCT STA 450 TO 670 HAS NUMEROUS AREAS OF DELAMINATION AND CRACKING. *S/D* REPAIRED OVERHEAD A/C DUCT IAW BOEING CMM 25-00-67.