Service difficulty report · Web · Boeing 737

Difficulty date
January 22, 2022
Submitted
April 29, 2022
Operation
Air carrier
Aircraft
N241WN
Make and model
Boeing 737
Aircraft serial
32504
Aircraft time
52,972 hours, 31,518 cycles
Part
Web
Condition
Cracked
Location
Fwd Cargo Bay
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

SUPPLEMENTAL INFORMATION: FWD. CARGO COMPT. UNDER SHIELD; WEB IS CRACKED AT FLOOR STRUT. AREA; BS 440;RBL 21. / [01] REMOVED FWD CARGO COMPT UNDER SHIELD WEB AT FLOOR STRUT. AREA BS 440RBL 21. AS PER B-737-7 SRM-51-40-02-0G-0;[02] VERIFIED STEP 1;[03] LOCATED & DRILLED NEW WEB P/N:143A8122-4; PO# 1718176; AT FWD. CARGO COMPT. UNDER SHIELD BS 440 & 420; RBL 21; AS PER B737-7 SRM 51-40-05-0G-0 & DWG. 143A8121.;[04] PARTIALLY REMOVED UPPER STRAP STA 440+10 TO 420 AS PER B-737-7 SRM-51-40-02-0G-0;[05] VERIFIED STEPS 3 AND 4. OK TO INSTALL WEB P/N 143A8122-4;[06] INSTALLED NEW WET; PN 143A8122-4 AT FWD COMPT.UNDER SHIELD WET AT FLOOR STRUT. AREA BS 440 RBL 21.AND INSTALLED UPPER STRAP STA 440 +10 TO STA 420 AS PER B-737-700-SRM-51-40-02-0G-0;DRAWING 143A8121;[07] LATE ENTRY OK TO REINSTALL UPPER STRAP THAT WAS PARTIALLY REMOVED IN STEP 4;[08] CORRECTION ON STEP# 6: INSTALLED NEW WEB; PN 143A8122-4 AT FWD COMPT.UNDER SHIELD WET AT FLOOR STRUT. AREA BS 440 RBL 21.AND INSTALLED UPPER STRAP STA 440 +10 TO STA 420 AS PER B-737-700-SRM-51-40-02-0G-0;DRAWING 143A8121;[09] VERIFIED STEPS 6-8. TASK C/W