Service difficulty report · Sleeve · Boeing 747422

Difficulty date
April 1, 2021
Submitted
April 1, 2021
Operation
Air carrier
Aircraft
N480MC
Make and model
Boeing 747422
Aircraft serial
28812
Aircraft time
77,180 hours, 8,804 cycles
Part
Sleeve
Condition
Dented
Location
Nr 1 Eng Exhaust
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

NO 1 ENG EXHAUST OUTER SLEEVE T/E AREA 11 O'CLOCK FOUND COUPLE DENT MARK. (5 LOCATIONS). LOCATION 1 TO 3 WITHIN AS PER SRM 54-40-30-1A-1 ALLOWABLE DAMAGE 1 FIG 101 DETAIL VI. LOCATION 4 AND 5 AS PER RI NO: RI-78-11-14449 REV.A SRM 54-40-30-1A-1 ALLOWABLE DAMAGE 1 FIG. 101