Service difficulty report · Panel · Boeing 747412

Difficulty date
February 4, 2026
Submitted
February 9, 2026
Operation
Air carrier
Aircraft
N471MC
Make and model
Boeing 747412
Aircraft serial
26557
Aircraft time
97,182 hours, 15,875 cycles
Part
Panel
Condition
Missing
Location
Zone 400
Stage of operation
LD
How discovered
O
Nature of condition
P
Precautionary procedure
O

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

What was found

LOWER EXHAUST PANEL MISSING ON THE #3 ENG INLET COWL, IAW AMM 05-51-58 PARTS DEPART THE AIRPLANE INSPECTED, NO ADDITIONAL DAMAGE FOUND. PERFORM EA-1971A256 PER NON-MEL 247237 & 247238 (SEE NEXT LP FOR DEFERRAL). TRANSFER TO DMI 247232 IAW MEL 30-21-01A CAT C DUE NEXT STATION. LP 2139755 M3 & M4: TRANSFER TO NON-MEL 247237 & 247238. LP 2139757 M5: REACTIVATED NR 3 ENG ANTI-ICE VALVE DUE TO #3 ENG INLET COWL PRESSURE RELIEF VENT R & R IAW AMM 30-21-07. OPS CHKD OK. LP 2139760 M11: INSTALLED NR 3 INLET COWL PRESSURE RELIEF DOOR IAW AMM 71-11-03 & EA 1971A256. NON-MEL 247237 & 247238 CLOSED.