SDR 6CBA2018033018175

Service difficulty report · Bulkhead · Pilats PC1247

Difficulty date: March 26, 2018
Submitted: March 30, 2018
Operation: Air carrier
Aircraft: N769AF
Make and model: Pilats PC1247
Aircraft serial: 769
Aircraft time: 9,863 hours, 9,328 cycles
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Bulkhead
Condition: Corroded
Location: Frame 15
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING ANNUAL INSPECTION, CORROSION WAS FOUND ON FORWARD PRESSURE BULKHEAD, LT AND RT SIDE OF FRAME 15. THE CORROSION ON THE LT SIDE WAS LOCATED JUST INBOARD OF THE PRESSURIZATION SAFETY VALVE ABOVE THE LOWER FLANGE. ON THE RT SIDE THE CORROSION WAS LOCATED WHERE THE ECS PNEUMATIC DUCT PASSES THROUGH FRAME 15. REPAIRED IAW SADD-12-0970, 2 SEPARATE REPAIRS. THE REPAIRS LT IAW RM-12-001093 AND RT IAW RM-12-001092 WERE COMPLETED AND THE AIRCRAFT WAS RELEASED FROM ANNUAL INSPECTION.