SDR IPXA2B71988

Service difficulty report · Support · Boeing 7474R7F

Difficulty date: February 8, 2012
Submitted: March 2, 2012
Operation: Air carrier
Aircraft: N581UP
Make and model: Boeing 7474R7F
Aircraft serial: 25866
Aircraft time: 87,516 hours, 15,121 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support
Part number: 453T156331
Condition: Corroded
Location: Bs 989
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

INSPECTION TYPE: D, FWD CARGO BAY BS 989 END WALL LINER CUTOUT UPPER END LINER SUPPORT FOUND CORROSION AT SEVERAL AREA. REPAIRED IAW RS R25-52-37314 REV A & EO B747-5310-46130-A, CORROSION BLENDED AREA THICKNESS THROUGH, SUPPORT REPLACED.

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