SDR UPS204506

Service difficulty report · Doubler · Boeing 727108C

Difficulty date: September 22, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N936UP
Make and model: Boeing 727108C
Aircraft serial: 19503
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Doubler
Condition: Corroded
Location: Bs 307.5
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

WHILE IN FOR SI CHECK, MAINTENANCE FOUND CORROSION ON THE DOUBLER AT STATION 307.5 TO STA 316, LBL 12.5 WL 181 TO 169. MAINTENANCE REMOVED TRIPLER AND REMOVED CORROSION ON TRIPLER. CORROSION FOUND BEYOND LIMITS, FABRICATED NEW DOUBLER AND TRIPLER, FINAL INSTALLATION PER SRM 51-10-6, 51-30-2, 51-20-4, MM 51-20-0 AND UPS 727-53-1671.