SDR EIA990055

Service difficulty report · Bulkhead Web · Boeing 747121

Difficulty date: February 7, 1999
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N480EV
Make and model: Boeing 747121
Aircraft serial: 20348
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Bulkhead Web
Condition: Cracked
Location: Bs 1480
Part time: 97,499 hours
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

HKG - DURING C-CHECK, DURING ACCOMP OF EO 53-747-1513-98B AND SB 747-53A2390 PLAN B, BS 1480 BULKHEAD INSPECTION MOD, LEFT SIDE (3 EACH) FASTENER HOLES FOUND CRACKED, NR 23 AND NR 25 IN WEB SPLICE PLATE AND NR 6 LONGERON EXTENSION FITTING, NRC 7193-7195, 7185 AND 7332. ALL HOLES CLEANED AND CLEARED WITHIN SB LIMITS. (M)