Service difficulty report · Fitting · Doug MD11F

Difficulty date
August 15, 2023
Submitted
August 15, 2023
Operation
Air carrier
Aircraft
N631FE
Make and model
Doug MD11F
Aircraft serial
48454
Aircraft time
110,661 hours, 22,863 cycles
Part
Fitting
Part number
AJC7515501
Condition
Cracked
Location
Vertical Stab
Stage of operation
IN
How discovered
E
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 HFEC SURFACE INSP ON RT SIDE, FWD FLANGE OF LOWER VERTICAL STAB REAR SPAR CAP, NR 4 BANJO FITTING UPPER SECTION AT STA Y=2164, FOUND CRACKED ALONG RADIUS BETWEEN LOWEST FASTENER & 2ND FASTENER WITH LENGTH APPROX 0.75 INCH. TRIMMED IAW SRM 55-30-02-2R FIGURE 201 REPAIR 5 & REPAIRED IAW SRM 55-30-02-2R FIGURE 202 REPAIR 5. REPAIR CLASSIFIED AS MAJOR IAW GMM 6-2-100. TO CARRY OUT INITIAL INSPECTION AT 5,400 FLIGHT CYCLES AND REPETITIVE INSPECTION AT EVERY 2,700 FLIGHT CYCLES AS PER MD-11 SRM 55-30-02-2R TABLE 203 REPAIR 5 FIGURE 202. REQUIREMENTS METHOD BY ULTRASONIC & HFEC IAW SN10550000 REQUIREMENTS.

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