Service difficulty report · Longeron · Doug MD11F

Difficulty date
May 15, 2025
Submitted
June 6, 2025
Operation
Air carrier
Aircraft
N273UP
Make and model
Doug MD11F
Aircraft serial
48574
Aircraft time
76,080 hours, 17,100 cycles
Part
Longeron
Part number
ADA8090503
Condition
Corroded
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

EXFOLIATED CORROSION AT FWD CARGO SUMP AREA STA 979-989 BL"0"/LONGERON 52.040-43, ATA 53-10. INSTALLED 2 EA LONGERON SECTION, 3 EA LONGERON SPLICE AND 1 EA DRAIN AT FWD CARGO SUMP AREA STA 969.6 TO STA 1009.5 IAW E.A.# 011-5310-01-B0490 P3 STEP 12. ACCOMPLISH REPAIR IN ACCORDANCE WITH EO-93986-REQ1 AND VT-SAA EA 011-5310-01-B0490 REV IR PRIOR TO FURTHER FLIGHT. AUDITED

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