SDR I5EA2019005020000

Service difficulty report · Bulkhead · Boeing 7374B7

Difficulty date: May 2, 2019
Submitted: May 2, 2019
Operation: Air carrier
Aircraft: N438US
Make and model: Boeing 7374B7
Aircraft serial: 24560
Aircraft time: 65,286 hours, 43,189 cycles
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Bulkhead
Condition: Canning
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

DISCREPANCY: AFT PRESSURE BULKHEAD AT FS 1016 HAS OIL CANNING BEYOND LIMITS OF SRM 737-400 53-80-08 A. 5 AND 7 PAGE 109 AT LBL 35, 12 INCHES INBOARD OF STRINGER 9L. CORRECTIVE ACTION: PERFORMED REPAIR OF THE DAMAGED AFT PRESSURE BULKHEAD WEB AT LBL 35, 12 INCHES INBOARD OF STRINGER 9L IN ACCORDANCE WITH STRUCTURAL REPAIR MANUAL 53-80-08 REPAIR 11 REFERENCE NSA NON-ROUTINE NUMBER NSA-0005 AND LOG PAGE 37283, 438-190114-01 AND NON-ROUTINE 038.

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