Service difficulty report · Transition Panel · Boeing 737890

Difficulty date
May 18, 2015
Submitted
May 29, 2015
Operation
Air carrier
Aircraft
N553AS
Make and model
Boeing 737890
Aircraft serial
34594
Aircraft time
35,353 hours, 11,265 cycles
Part
Transition Panel
Part number
146A7505
Condition
Corroded
Location
Bs 500g-500i
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

FORWARD PIT, LT SIDE TRANSITION FLOOR PANEL HAS CORROSION AT VARIOUS SPOTS. BS 500C-BS 500I, STR 26L. ACFT GROUNDED. BLENDED AREA OF CORROSION ON LT TRANSITION PANEL AND CHECKED LIMITS IAW SRM 53-53-1A-2. REMOVED TRANSITION PANEL SECTION BS 500G+10 TO BS 500I WHICH WAS FOUND TO BE OUT OF LIMITS AIW SRM 51-40-02, TRANSITION PANEL AT SECTION BS 500C TO BS 500G+10. FOUND TO BE WITHIN LIMITS AIW SRM 53-00-53-1A-2. APPLIED ALODINE, PRIMED, PAINT, AND CIC IAW SRM 53-00-53-1A-2. RECEIVED NEW PANEL MATERIAL , BAC 1496-444, 2EA, CHANNEL 7075T6 PO 837830.6 AND FABRICATED NEW REPAIR SPLICE PLATE AND TRANSITION PANEL SECTION IAW SRM 53-00-53-2R-5, REPAIR S. ALODINED AND PRIMED NEW TRANSITION PANEL AND SPLICE PLATE IAW SRM 53-00-53 -2R-S, REPAIRS INSTALLED, NEW PANEL & SPLICE PLATE IAW SRM 53-00-53-2R-S. REPAIRS AND SRM 51-40-02, REMOVED DOT.