Service difficulty report · Intercostal · Boeing 737*

Difficulty date
October 26, 2021
Submitted
November 15, 2021
Operation
Air carrier
Aircraft
N788SA
Make and model
Boeing 737*
Aircraft serial
30603
Aircraft time
68,361 hours, 40,407 cycles
Part
Intercostal
Part number
147A758083
Condition
Cracked
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

FOUND INTERCOSTAL CRACKED AT BS947 RBL21 WL155 ; / [01] THIS PART NO FOUND ALLOWABLE DAMAGE ON SRM; REPAIR BY REMPLACEMENT PER SRM 51-10-02 PARA 9; [02] REMOVED INTERCOSTAL FROM AFT CARGO BETWEEN BS 927 TO BS 947 RBL 21 WL 155 PER SRM 51-40-02; [03] LOCATED AND DRILLED NEW INTERCOSTAL AT AFT CARGO BAY BETWEEN BS 927 TO BS 947 RBL 21 WL 155 P/N 147A7580-83 LOT#1472422-7 PO#826957/7 IAW SRM 51-40-05 ;DWG147A7500 REV:C AND DWG 147A7500REV:-.; [04] VERIFIED ITEM 3 CORRECTIVE ACTIONS.; [05] OK TO INSTALL.; [06] OK TO INSTALL; [07] INSTALLED NEW INTERCOSTAL AT BS 927 TO BS 947 RBL 21 WL 155;P/N 147A7580-83; LOT#1472422-7; PO#826957/7 IAW SRM 51-40-02; DWG 147A7500 REV:C ; AND DWG 147A7500 REV:-.; [08] RII INSPECTED ACTION 7; [09] INSPECTION COMPLETE