Service difficulty report · Liner · Boeing 7379

Difficulty date
May 22, 2026
Submitted
May 27, 2026
Operation
Air carrier
Aircraft
N47524
Make and model
Boeing 7379
Aircraft serial
64501
Aircraft time
17,823 hours, 5,897 cycles
Part
Liner
Condition
Damaged
Location
Zone 400
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

HOLE IN ENGINE 2 FAN CASINGFOUND LOCATION OF HOLE TO BE LOCATED IN RT SIDE APPROXIMATELY 3'O CLOCK POSITION WITH CARBON PLIES SHOWING THROUGH ON NO.2 ENGINE INSIDE THE ABRADABLE LINER INNER BARREL SKIN SECTION "B" LENGTH OF HOLE 0.50" DEPTH OF HOLE 0.22" REF AMM FAN CASE MODULE INSPECTION TASK 72-21-00-200-802-G00. STEP (1)-C. REF AMM 72-21-00-200-802-G00 IMPACT MARKS & CRATERS MISSING MATERIAL ON ABRADABLE LINER STEP 6-(I) 1-C. CARBON PLIES SHOWING THROUGH CONTINUE IN SERVICE LIMIT OF 50CYCLES OR 125HOURS IS PERMITTED. CARBON PLIES MUST REMAIN WITHIN CARBON PLIES CRITERIA UNDER VISUAL INSPECTION A DAILY INSPECTION OF THE CRATER MUST BE PERFORMED. FOR SCPETRE ENTRY ONLY, THIS TASK IS NOT INSPECTION ITEMS. QC845. DIP 72-DIP REJECTED REF AMM 72-21-00-200-802-G00 IMPACT MARKS & CRATERS MISSING MATERIAL ON ABRADABLE LINER STEP 6-(1)-C. CARBON PLIES CRITERIA UNDER VISUAL INSPECTION A DAILY INSPECTION OF THE CRATER MUST BE PERFORMED.

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