Service difficulty report · Structure · Boeing 747409

Difficulty date
December 13, 2025
Submitted
December 17, 2025
Operation
Air carrier
Aircraft
N780BA
Make and model
Boeing 747409
Aircraft serial
24310
Aircraft time
92,007 hours, 17,241 cycles
Part
Structure
Condition
No Discrepancy
Location
Nr 1 Nacelle
Stage of operation
TX
How discovered
O
Nature of condition
W
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

NR 1 ENG STRUCK GSE ON TOW IN. MX IN WORK WHILE IN AOGD FOR NR 1 ENG COWL DAMAGE. CONDITIONAL INSPECTIONS C/W PER AMM 05-51-06-212 REV 115, NO DEFECTS NOTED. R & R ENG 1 LH FAN COWL ASSY PER AMM 71-11-04-014 REV 115 & IPC 71-11-04-01 FIG 1 ITEM 60 REV 33. LEAK & HEAT TEST PASSED, NO FAULTS NOTED.