Service difficulty report · Stringer · Doug MD11F

Difficulty date
April 7, 2023
Submitted
May 3, 2023
Operation
Air carrier
Aircraft
N291UP
Make and model
Doug MD11F
Aircraft serial
48477
Aircraft time
79,580 hours, 14,459 cycles
Part
Stringer
Part number
APB74691
Condition
Cracked
Location
Ctr Upper Tank
Stage of operation
IN
How discovered
9
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

INSPECTION TYPE:3C*MAJOR REPAIR* UPPER CENTER AUXILIARY TANK HAS A CRACK LOCATED BETWEEN STA XCW=1 TO XCW =29.5 ON STRINGER 40.REPAIRED CRACKED STRINGER 40 AT THE UPPER CENTER AUXILIARY TANK BETWEEN STA XCW=1 TO XCW =29.5 IAW VTSAA EA 011-5710-01-A9916 I/R AND UPS EO MD11-5710-86657-A DATED 04/28/2023 AND FAA FORM 8100-9 SIGNED BY P.LAU (AR-830967) DATED 04/27/2023 (MAJOR)

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