Service difficulty report · Transition Panel · Boeing 737990ER

Difficulty date
June 4, 2018
Submitted
June 13, 2018
Operation
Air carrier
Aircraft
N413AS
Make and model
Boeing 737990ER
Aircraft serial
35205
Aircraft time
20,883 hours, 6,826 cycles
Part
Transition Panel
Part number
143A7501201
Condition
Corroded
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

FORWARD CARGO COMPARTMENT, LT TRANSITION PANEL CORRODED IN VARIOUS SPOTS BETWEEN FRAMES 500C-500F. GROUNDED - YES. REMOVED DAMAGE BETWEEN FRAMES 500C TO 500F AD CHECKED LIMITS ORIG THICKNESS .040 PER SRM 53-30-53-01-2. REMOVED .011 REMAINING .029 FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2, REMOVED FACTORY SPLICE PLATE PER SRM 51-40-02, REMOVED DAMAGED SECTIONS BETWEEN STA 500B +9 TO 500C + 15 AND 500D-5 TO 500F+9 PER SRM 53-00-53-2R-5, FABRICATED REPAIR PARTS PER SRM 53-00-53-2R-5, ALODINED AND PRIMED PARTS PER SRM 51-20-01 AND SOPM 20-42-02, INSTALLED REPAIR FROM STA 500B +9 TO 500C +15 AND 500D -5 TO 500F +9 PER SRM 53-00-53-2R-5, REINSTALLED FACTORY SPLICE PLATE AT STA 500D-6 PER SRM 51-40-01.