Service difficulty report · Frame · Boeing 7377H4

Difficulty date
June 9, 2021
Submitted
July 16, 2021
Operation
Air carrier
Aircraft
N489WN
Make and model
Boeing 7377H4
Aircraft serial
33855
Aircraft time
54,253 hours, 32,244 cycles
Part
Frame
Condition
Dented
Location
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

DENT ON FRAME AT FWD CARGO BAY BS420 LBL28 WL157. ; / [01] DAMAGE EVAL. FOUND DENT TO BE OUT OF LIMITS DUE TO NO DENTS PERMITTED IAW SRM 53-00-07-1A-1. TRIMMED OUT DAMAGE ON FRAME AT FCB BS420 LBL28 WL157 IN A AREA OF 1'X.090' IAW SRM 53-30-07-2R-1; [02] REMOVED ALL FASTENERS IN THE REPAIR AREA IAW SRM 51-40-02-0G-0; [03] VERIFIED DAMAGE REMOVAL; [04] ET INSPECTED CUT OUT AND HOLES IAW 737 NDTM PART 6 51-00-00 PROCEDURE 23 AND PROCEDURE 16; NO CRACKS NOTED. <BR><BR>CAL ID IS000450 N500D; [05] PERFORMED .040 INSURANCE CUT TO CUTOUT PER SRM 53-30-07-2R-1 STEP 4 D (1); [06] VERIFIED PERFORMED .040 INSURANCE CUT TO CUTOUT PER SRM 53-30-07-2R-1 STEP 4 D (1).; [07] PERFORM DETAIL INSPECTION PER SRM53-30-07-2R-1 STEP 4D (4); [08] RECEIVED NEW ANGLE FROM OSS PO# 827271; [09] TRIMMED; LOCATED; DRILLED; DEBURRED; APPLIED CHEMICAL CONVERSION COATING; AND PRIMED NEW FRAME REPAIR ANGLE BS 420; LBL 28; WL 157 IAW SRM 53-30-07-2R-1. OK TO INSTALL FRAME REPAIR.; [10] VERIFIED STEPS 8 AND 9<BR>INSPECTION COMPLETE<BR>OK TO INSTALL; [11] INSTALLED FRAME REPAIR ANGLE BS 420; LBL 28; WL 157 IAW SRM 53-30-07-2R-1 REPAIR 1.; [12] VERIFIED INSTALLED FRAME REPAIR ANGLE BS 420; LBL 28; WL 157 IAW SRM 53-30-07; [13] VERIFIED TASK IS COMPLETE

More about the Boeing 737-7H4