SDR UPS03441512

Service difficulty report · Bulkhead · Boeing 747212B

Difficulty date: October 16, 2003
Submitted: November 3, 2003
Operation: Air carrier
Aircraft: N525UP
Make and model: Boeing 747212B
Aircraft serial: 21939
Aircraft time: 80,338 hours, 15,279 cycles
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Bulkhead
Part number: 69B11571
Condition: Corroded
Location: Rt Mlg Ww
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, RT MLG WW BS 1241 BULKHEAD CORRODED AT WL 143 BETWEEN RBL 1 & 3 AREA AS MARKED. CORROSION REMOVED IAW SRM 51-10-01, CORROSION BLEND OUT 0.116 X 1 X 1 INCH EXCEED SRM 57-10-01 FIG 1 LIMITS, FOR REPAIR REFER TO HX RS R57-12-35092 & UPS AUTH 747-57-20049, CIC APPLIED IAW EO M5100-2780-E.

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