SDR UPS804787

Service difficulty report · Blkhd Beam · Doug DC873F

Difficulty date: October 8, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N815UP
Make and model: Doug DC873F
Aircraft serial: 46002
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Blkhd Beam
Part number: 57726383335
Condition: Cracked
Location: Aft Press Blkhd
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

(SUPPLEMENTAL MRR) WHILE ON GROUND, MAINTENANCE FOUND AFT PRESSURE BULKHEAD J-BEAMS NR 3 AND NR 4 CRACKED AT CENTER LINE. NR 3 J-BEAM CRACK LENGTH = 3.1250 INCHES, P/N 5772638-33; NR 4 J-BEAM CRACK LENGTH = 3.0 INCHES, P/N 5772638-35. REPAIRED PER E.O. DC8-5310-6598-B.

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