Service difficulty report · None · Boeing 737

Difficulty date
September 5, 2022
Submitted
September 22, 2022
Operation
Air carrier
Aircraft
N489WN
Make and model
Boeing 737
Aircraft serial
33855
Aircraft time
57,460 hours, 34,246 cycles
Part
None
Condition
Cracked
Location
Fwd Service Door
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

WHILE REMOVING CRACKED FSD LOWER STUB FRAME AT BS294 RBL55 WL209 FOUND LOWER INBOARD ATTACH CLIP CRACKED / [01] ENTERED MEASUREMENTS;[02] B737-700 SRM 53-10-15-2R-7 IS APPLICABLE FOR THIS REPAIR.<BR><BR>ITEM {1} CLIP WAS REMOVED AND DISCARDED IAW SRM 53-10-15-2R-7; STEP 4B.<BR><BR>LOCATED AND DRILLED FASTENER HOLES IN NEW {1} CLIP; APPLIED CONVERSION COATING AND PRIMER IAW SRM 53-10-15-2R-7; STEPS 4H THRU 4N AND DWG 141A8310 REV:-<BR><BR>ITEM {1} MATERIAL I.D.: BAC1514-2833#7075T6511; LOT 1485585-1. REF: SRM 53-10-15-2R-7; TABLE 201.;[03] VERIFIED CORRECTIVE ACTION #2 AND MEASUREMENT FIELD;[04] OK TO INSTALL ITEM {1} CLIP.;[05] VERIFIED CORRECTIVE ACTION #4 OK TO INSTALL;[06] INSTALLED FASTENERS ON CLIP COMMON TO UPPER CHORD OF FRAME IAW SRM 51-40-02-0G-0 AND DWG 141A8310 REV :-;[07] VERIFIED ITEM 6 CORRECTIVE ACTIONS.;[08] VERIFIED MEASUREMENTS.