Service difficulty report · Support · Boeing 737*

Difficulty date
February 10, 2022
Submitted
March 15, 2022
Operation
Air carrier
Aircraft
N465WN
Make and model
Boeing 737*
Aircraft serial
33829
Aircraft time
59,870 hours, 35,575 cycles
Part
Support
Condition
Corroded
Location
Aft Cargo
Stage of operation
UK
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

AFT CARGO BAY CORROSION R/H FLOOR TO SIDEWALL SUPPORT BS 727B+6; 727B+8; 727D+6; 727D+8; 727D+10; 727D+14; 727E+10; 749; 751; 755; RBL-21. / [01] REMOVED CORROSION ON AFT CARGO BAY R/H FLOOR TO SIDEWALL SUPPORT AT BS 727D+14 ;MEASURES L: 1.1' W: .8' D:.015' FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2 STEP 4.A(2) TOOL ID:NCX000697; S/N:NSN; DUE:07/2022;[02] VERIFIED CORRECTIVE ACTION 1;[03] REMOVED ACB FLOOR TO SIDEWALL SUPPORT FROM BS 727+4 TO BS 767 RBL-21 PER SRM 51-40-02-0G-0;[04] RECEIVED; LOCATED AND DRILLED NEW ACB FLOOR TO SIDEWALL SUPPORT ITEM#146A7502-51; LOT#1481150-1 PER SRM 51-40-05-0G-0;[05] VERIFIED CORRECTIVE ACTION ENTRIES 3. AND 4.;[06] OK TO INSTALL RBL TO DIDEWALL SUPOORT RBL BS 727 TO BS 767;[07] CORRECTIVE STEP #6 SIDEWALL SUPPORT RBL;[08] OK TO INSTALL ACB FLOOR TO SIDEWALL SUPPORT BS 7+4 TO BS 767 RBL 21 GIVEN;[09] INSTALLED ACB FLOOR TO SIDEWALL SUPPORT BS727 TO BS767 RBL 21 I.A.W SRM 51-40-02-0G-0 AND DWG 146A7500.;[10] VERIFIED CORRECTIVE ACTION #9;[11] VERIFIED CORRECTIVE ACTION #9