Service difficulty report · Bulkhead · Cessna 402C

Difficulty date
December 4, 2017
Submitted
December 5, 2017
Operation
Air carrier
Aircraft
N2748Y
Make and model
Cessna 402C
Aircraft serial
402C0248
Aircraft time
33,450 hours, 35,999 cycles
Part
Bulkhead
Part number
501116317
Condition
Cracked
Location
Frame 14
Part time
33,450 hours
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

AFTER DEPARTURE AND CLIMBING THROUGH 800 FT MSL THE AIRCRAFT FLEW THROUGH A FLOCK OF BIRDS. BOTH WINDSHIELDS WERE DAMAGED AND THE AIRCRAFT MADE AN UNEVENTFUL LANDING. SUBSEQUENT INSPECTION FOUND THE FUSELAGE BULKHEAD AT STATION 14.25 (OEM PN 5213025-21) IS SIGNIFICANTLY DAMAGED. THIS BULKHEAD IS SPECIFICALLY REFERENCED AS A ‘MAJOR STRUCTURAL MEMBER’ IN SECTION 6-20-01 OF THE AMM. THE CENTER WINDSHIELD STRUCTURAL MEMBER AND UPPER WINDSHIELD CIRCUMFERENTIAL FRAME (CENTER) ARE DAMAGED. THESE AREAS ARE IDENTIFIED AS ‘PRINCIPAL STRUCTURAL ELEMENTS’ IN SECTION 5-13-00 OF THE AMM. WE ARE GOING TO MAKE AN INITIAL NOTIFICATION TO THE NTSB BASED ON THIS INITIAL DAMAGE ASSESSMENT.

More about the Cessna 402C