SDR IPXA2026061688661

Service difficulty report · Skin · Boeing 74744AF

Difficulty date: May 28, 2026
Submitted: June 23, 2026
Operation: Air carrier
Aircraft: N577UP
Make and model: Boeing 74744AF
Aircraft serial: 35666
Aircraft time: 63,511 hours, 9,924 cycles
System (JASC): 5730 · Wing, Plate/Skin
Part: Skin
Part number: 313U220180
Condition: Eroded
Location: Zone 600
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

ERODED SKIN, RT WING L/E NR.3 PYLON PNL NO.471DL. IAW AMM 20-51-01-912-008, REV 116. REMOVED THE PANEL 471DL. REMOVED THE EROSION MATERIALS AND CLEAN. BOND THE REPAIR PLIES AND THE FOIL WITH RESIN CURED AT 200 F FOR 220 MINUTES WITH MINIMUM VACUUM OF 22 IN/HG. IAW.AMM 20-51-01-912-008, REV 116. INSTALLED THE PANEL 471DL.

More about the Boeing 747-44AF