Service difficulty report · Web · Boeing 737

Difficulty date
July 31, 2022
Submitted
September 6, 2022
Operation
Air carrier
Aircraft
N493WN
Make and model
Boeing 737
Aircraft serial
32477
Aircraft time
58,674 hours, 34,928 cycles
Part
Web
Part number
141A81114
Condition
Corroded
Location
Fwd Galley Floor
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

CORROSION IN WEB LOCATED BTW BSTA 294 AND BSTA 310 WL208.1 LBL50 AT FWD GALLEY AREA 2022-410229 / [01] TOOL USED: ULTRASONIC THICKNESS GAUGE; PN: 45MG; SN: 130066701; DUE DATE: 08-APR-23;[02] EVALUATED REWORKED AREAS LOCATED BTW BSTA 294 AND BSTA 310 WL208.1 LBL50 AND FOUND WITHIN ALLOWABLE DAMAGE LIMITS IAW B737-700 SRM 53-10-15-1A-1 PARAGRAPH 4D STEP (2). FIGURE 108 SHEET 5 SEE INDIVIDUAL SING OFFS STEPS BELOW;[03] CORRECTED STEP 2; EVALUATED REWORK AREAS LOCATED BTW BSTA 294 AND BSTA 310 WL208.1 LBL50 AND FOUND WITHIN ALLOWABLE DAMAGE LIMITS IAW B737-700 SRM 53-10-15-1A-1 PARAGRAPH 4D STEP (2). FIGURE 108 SHEET 5 SEE INDIVIDUAL SING OFFS STEPS BELOW;[04] EVALUATED REWORK AREAS LOCATED BTW BSTA 294 AND BSTA 310 WL208.1 LBL50 AND FOUND WITHIN ALLOWABLE DAMAGE LIMITS IAW B737-700 SRM 53-10-15-1A-1 PARAGRAPH 4D STEP (2). FIGURE 108 SHEET 5 .SEE INDIVIDUAL SING OFFS STEPS BELOW.