Service difficulty report · Spar · Doug MD11F

Difficulty date
February 17, 2021
Submitted
March 4, 2021
Operation
Air carrier
Aircraft
N572FE
Make and model
Doug MD11F
Aircraft serial
48755
Aircraft time
75,756 hours, 16,117 cycles
Part
Spar
Part number
AJC7515503
Condition
Cracked
Location
Vertical Stab
Stage of operation
IN
How discovered
U
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

DURING ULTRASONIC INSPECTION FOR VERTICAL CRACKS BEHIND SERVICE REPAIR SR10550013 PER DRAWING NUMBER SN10550000 REVISION C ON RIGHT HAND SIDE LOWER VERTICAL STABILIZER FORWARD FLANGE OF UPPER REAR SPAR CAP, STATION 2164, EXISTING CRACK INDICATION FOUND FROM FOURTH FASTENER FROM BELOW TO LOWEST FASTENER AND UNABLE TO PROCEED FURTHER INSPECTION DUE TO WEB BLOCKAGE. RIGHT HAND SIDE LOWER VERTICAL STABILIZER FORWARD FLANGE OF UPPER REAR SPAR CAP STATION 2164 EXISTING CRACK INDICATION FOUND FROM FOURTH FASTENER FROM BELOW REPAIRED AS PER SRM 55-30-02-2R FIGURE 204 REPAIR 5 AND EA#1-5530-T0332820 A PART 3. TITLE: STABILIZERS - VERTICAL STABILIZER - NO. 4 BANJO FITTING (REAR SPAR) - NEW REPAIR FOR CRACK AT REAR SPAR RHS FORWARD AND AFT FLANGES. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.

More about the Doug MD-11F