Service difficulty report · Intercostal · Doug MD11F

Difficulty date
June 15, 2025
Submitted
July 9, 2025
Operation
Air carrier
Aircraft
N254UP
Make and model
Doug MD11F
Aircraft serial
48406
Aircraft time
84,414 hours, 19,732 cycles
Part
Intercostal
Part number
ACA380427
Condition
Cracked
Location
Zone 100
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

STR- RH A/C BAY HAS A CRACKED INTERCOSTAL JUST AFT OF A/C BAY DOOR APPROX STRINGER S31. <BR>49-032 ATA 53-00.REMOVED INTERCOSTAL AT A/C R/H COMP APPROX STRINGER S31 REF MD11 SRM 51-35-01 AND 51-33-01.FABRICATED INERCOSTAL WEB PN ACA3804-27SAAU FOR RH AC BAY DOOR, IAW DWG ACA3804/SAMPLE. WORK ACCOMPLISHED ON TRAVELER #7003215574.INSTALLED INTERCOSTAL AT R/H A/C BAY JUST AFT OF A/C BAY DOOR REF MD11 SRM 51-35-01-51-33-01

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