SDR UPS02439220

Service difficulty report · Bulkhead · Boeing 747212B

Difficulty date: August 10, 2002
Submitted: August 30, 2002
Operation: Air carrier
Aircraft: N526UP
Make and model: Boeing 747212B
Aircraft serial: 21937
Aircraft time: 79,834 hours, 15,049 cycles
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Bulkhead
Condition: Corroded
Location: Fuselage
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:C, CORROSION REVEALED ON BS 1480 BULKHEAD WEB LEFT I/B CORNER AREA, AREA INSP AFTER BATHTUB FITTING REMOVED INSIDE KEEL BEAM BOX. CORROSION REMOVED IAW SRM 51-10-01. CORROSION BLEND OUT EXCEEDS SRM 53-10-01 LIMITS, REPAIRED IAW HX RS R53-49-34878.

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