Service difficulty report · Channel · Boeing 737890

Difficulty date
May 8, 2015
Submitted
May 22, 2015
Operation
Air carrier
Aircraft
N519AS
Make and model
Boeing 737890
Aircraft serial
36482
Aircraft time
24,231 hours, 7,231 cycles
Part
Channel
Part number
146A750231
Condition
Corroded
Location
Bs 727b-779
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

AFT CARGO LT TRANSITION PANEL HAS NUMERUS AREAS OF CORROSION FROM FS 727 TO FS 847. ACFT GROUNDED. REMOVED CORROSION AND FOUND WITHIN ALLOWABLE LIMITS OF 10 PERCENT MAX IAW SRM 53-00-1AZ FS 727 TO FS 727B+8, 727E+10 TO 755 AND 779 TO 847, ORIGINAL MATERIAL THICKNESS .040. REMOVED .003 IN MAX REMAINING THICKNESS .037 MIN, ALODINED AND PRIMED REWORKED AREAS IAW SRM 51-20-01, MARKED BLENDOUT AREAS IAW AMM 51-05-01, REMOVED CORROSION AND FOUND BEYOND ALLOWABLE LIMITS OF 10 PERCENT MAX IAW SRM 53-00-53-1AZ FS 727B+8 TO 727E +10 AND FS 755 TO FS 779, ORIGINAL MATERIAL THICKNESS .040 REMOVED .010 MAX REMAINING THICKNESS .030 MIN, ACCOMPLISHED 2 EA SPLICE REPAIRS FS 727B+8 TO FS 727E+10 AND FS 755 TO FS 779 IAW SRM 53-00-53-2R-5.