Service difficulty report · Ring Assembly · Cessna 208B

Difficulty date
May 23, 2000
Submitted
June 23, 2000
Operation
General aviation
Make and model
Cessna 208B
Aircraft time
1,588 hours
Engine
Pwa PT6A114A
Part
Ring Assembly
Part number
265102215
Condition
Cracked
Location
Rt Lwr Corner
Part time
20,800 hours, 18,840 cycles
Component
Engine Mount · Cessna · 265102319
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

(CAN) DURING HOT SETION INSP PROCEDURES OF A/C ENGINE. ROUTINE INSP OF ENG MOUNT REVEALED A ONE INCH LONG CRACK IN ENG MOUNT RING LOWER (AFT) CORNER, RT SIDE. CRACKING OF RING SUBJECT OF AWD 90-05-04 AND CESSNA S/B CAB 88-14 INVOLVING A/C S/NS 208B0001 THRU S/N 208B0086, AND IS NOT APPLICABLE TO THIS A/C S/N - HOWEVER, SINCE WE ARE CONSTANTLY FLYING INTO OIL/MINING COMPANY UNIMPROVED STRIPS, COMPANY INTERNAL INSP PROCEDURES INCLUDE REPETITIVE, DETAILED INSPS OF ENGINE MOUNT AND ACCELERATED OVERHAUL PERIODS FOR NOSE LDG GEAR SHIMMY DAMPER. ENGINE MOUNT RING REMOVED FOR REPAIR AND OVERHAUL.

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