SDR UPS04243204

Service difficulty report · Skin · Boeing 727173C

Difficulty date: September 13, 2004
Submitted: September 29, 2004
Operation: Air carrier
Aircraft: N938UP
Make and model: Boeing 727173C
Aircraft serial: 19506
Aircraft time: 53,145 hours, 34,107 cycles
System (JASC): 5754 · Leading Edge Devices
Part: Skin
Condition: Corroded
Location: Nr4 Krueger Flap
Stage of operation: IN
How discovered: 9
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:C, NR 4 KRUEGER FLAP HAS CORROSION ON INNER SURFACE BELOW ACTUATOR ATTACH AREA. CORROSION REMOVED AND FOUND TO BE BEYOND LIMITS IAW SRM 57-50-01. L/ED GE KRUEGER FLAP REMOVED IAW AMM 27-81-01 STEP 2. ACTUATOR ROD END BEARING FOUND TO BE WORN AND CORRODED. ACTUATOR REMOVED IAW AMM 27-81-22 FLAP ACTUATOR REPLACED IAW AMM 27-81-22. KRUEGER FLAP INSTALLED IAW AMM 27-81-01. ADJUSTMENT TEST CARRIED OUT IAW AMM 27-81-01.