Service difficulty report · Support · Boeing

Difficulty date
May 8, 2017
Submitted
January 24, 2022
Operation
Air carrier
Make and model
Boeing
Aircraft time
47,389 hours, 24,221 cycles
Part
Support
Part number
149A75101
Condition
Corroded
Location
Lwr Fuselage
Stage of operation
IN
How discovered
9
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

WING TO BODY SUPPORT STRUCTURE STA. 727C RBL 0 TO RBL 10 HAS CORROSION / REMOVED CORROSION @ STA 727C RBL 0 - RBL 10 IAW SRM 53-60-71-1A-1 STEP 2 (2); VERIFIED MATERIAL LOSS ORIG 'T' = .100. REMAINING + .085 LOSS OF .015 AREA FOUND TO BE OUT OF LIMITS IAW 53-60-71-1A-1 PG 18 OF 32 FIG 105; LOCATED AND DRILLED NEW SUPPORT CHORD PART NO. 149A7510-12 A TAG WN1173 IAW BOEING DWG 149A7502 REV:A. INSTALLED NEW SUPPORT CHORD IAW BOEING DWG 149A7502 REV:A; AND APPLIED CIC TO NEW SUPPORT CHORD IAW AMM 51-21-91-701.