Service difficulty report · Longeron · Doug MD11F

Difficulty date
September 24, 2025
Submitted
September 24, 2025
Operation
Air carrier
Aircraft
N574FE
Make and model
Doug MD11F
Aircraft serial
48499
Aircraft time
101,045 hours, 24,018 cycles
Part
Longeron
Part number
AFA77621
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

LOWER CENTER CARGO COMPARTMENT BILGE AREA LONGERON 52 STATION 1701 FOUND WITH CORROSION. CORROSION ON LONGERON 52, STATION 1701 AND EXISTING REPAIR SPLICE FITTING AT BS 1691, LONGERON-52 AT LOWER CENTER CARGO COMPARTMENT BILGE AREA EVALUATED AND FOUND EXFOLIATED AND EXCEEDED LIMIT AS PER MD-11 SRM 53-00-05-2R, REPAIR 1 FIGURE 203. CORRODED LONGERON 52, STATION 1701 AND EXISTING REPAIR SPLICE FITTING STATION 1691 REPAIRED AS PER MD-11 SRM 53-00-05-2R, REPAIR 1 FIGURE 202. REPAIR CLASSIFIED REPAIR CLASSIFIED MAJOR AS PER GMM 6-2-100.

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