SDR UPS99229280

Service difficulty report · Doubler · Boeing 72731C

Difficulty date: April 9, 1999
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N925UP
Make and model: Boeing 72731C
Aircraft serial: 19230
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Doubler
Condition: Corroded
Location: Bs 870
Stage of operation: IN
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

INSPECTION TYPE:SI WHILE WORKING NRC 888366 (FUSE 123) LT 870 ACCESS COVER (PANEL) DOUBLER RING IS CORRODED LBL 58, BS 870, WL 180. AFTER THE CORROSION REMOVAL, THE DOUBLER RING WENT BEYOND THE SRM LIMITS. REMOVED DOUBLER RING AND FABRICATED A NEW ONE. ALODINED AND PRIMED AND INSTALLED DOUBLER RING PER SRM 51-10-2, 51-10-3 AND 51-30-2.

More about the Boeing 727-31C