Service difficulty report · Longeron · Doug MD11F

Difficulty date
October 14, 2025
Submitted
October 14, 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
AFA77671
Condition
Corroded
Location
Zone 183
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 50RIGHT EXISTING REPAIR SPLICE FITTING FOUND WITH CORROSION AT STATION 1691. CORROSION ON LONGERON 50RIGHT STATION 1701 AND SPLICE FITTING AT STATION 1691, LONGERON - 50RIGHT 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 50RIGHT STATION 1701 AND SPLICE FITTING STATION 1691 REPAIRED AS PER MD-11 SRM 53-00-05-2R, REPAIR 1 FIGURE 202. REPAIR CLASSIFIED MAJOR AS PER GMM 6-2- 100. REFER TO SPECIAL/NONROUTINE MAINTENANCE FORM NUMBER N00585 FOR WORK DETATILS.

More about the Doug MD-11F