Service difficulty report · Doubler · Beech 99A

Difficulty date
October 21, 2021
Submitted
November 4, 2021
Operation
Air carrier
Aircraft
N899CZ
Make and model
Beech 99A
Aircraft serial
U96
Aircraft time
32,479 hours, 44,603 cycles
Engine
Pwa PT6A28
Engine time
15,898 hours, 17,991 cycles
Propeller
Hartzl HCB4TN3
Part
Doubler
Part number
1154400263
Part serial
NSN
Condition
Cracked
Location
Zone 200
Part time
32,479 hours, 44,603 cycles
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

REMOVED THE CRACKED BULKHEAD DOUBLER P/N 115-440026-3 S/N NSN AT FUSELAGE STATION TO 428.335 AT THE VERTICAL STABILIZER LOWER ATTACH BOLTS. INSTALLED A NEW BULKHEAD DOUBLER P/N 115-440026-3 S/N NSN IN ACCORDANCE WITH THE BEECHCRAFT MAINTENANCE MANUAL, CHAPTER 53. NO DEFECTS NOTED. NO FURTHER ACTION IS REQUIRED AT THIS TIME. N899CZ IS NOT BEING RETURNED TO SERVICE AT THIS TIME AS SCHEDULED MAINTENANCE IS BEING COMPLIED WITH.

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