A first officer reported his captain discovered a questionable maintenance repair in the left-hand w...

Narrative:

During preflight prior to departure; the captain who did the walk around and discovered a questionable maintenance repair in the left-hand (lh) main gear wheel well. The exact area of concern is on the forward bulkhead and it was obscured by several valves and steel lines. The captain and I both looked at the area in question and the captain seemed to think; based on his knowledge of maintenance procedures; that the repair was not accomplished correctly. He then contacted company maintenance to discuss the issue; and also had a contract mechanic at the station; look at the repair. The aircraft was eventually taken out of service and the flight canceled.

Original NASA ASRS Text

Title: A First Officer reported his Captain discovered a questionable Maintenance repair in the left-hand wheel well at the forward; vertical wall pressure bulkhead during a preflight walkaround. The B737-800 flight was canceled and aircraft ferried to their Maintenance Base.

Narrative: During preflight prior to departure; the Captain who did the walk around and discovered a questionable maintenance repair in the Left-Hand (LH) Main Gear wheel well. The exact area of concern is on the forward bulkhead and it was obscured by several valves and steel lines. The Captain and I both looked at the area in question and the Captain seemed to think; based on his knowledge of Maintenance procedures; that the repair was not accomplished correctly. He then contacted company Maintenance to discuss the issue; and also had a Contract Mechanic at the station; look at the repair. The aircraft was eventually taken out of service and the flight canceled.

Data retrieved from NASA's ASRS site as of April 2012 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.

Attributes
ACN	981226
Time
Date	201111
Local Time Of Day	0601-1200
Place
Locale Reference	ZZZZ.Airport
State Reference	FO
Environment
Light	Daylight
Aircraft 1
Make Model Name	B737-800
Operating Under FAR Part	Part 121
Flight Phase	Parked
Component
Aircraft Component	Fuselage Bulkhead
Person 1
Function	Pilot Not Flying First Officer
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	Aircraft Equipment Problem Critical

A first officer reported his captain discovered a questionable maintenance repair in the left-hand wheel well at the forward; vertical wall pressure bulkhead during a preflight walkaround. The B737-800 flight was canceled and aircraft ferried to their maintenance base.