Service difficulty report · Panel · Boeing 7377H4

Difficulty date
August 11, 2023
Submitted
September 13, 2023
Operation
Air carrier
Aircraft
N912WN
Make and model
Boeing 7377H4
Aircraft serial
36621
Aircraft time
50,939 hours, 30,749 cycles
Part
Panel
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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

WING CENTER SECTION BREAK PANEL IS CRACKED AT FASTENER; BS 540; LBL 1; WL 207<[01] VERIFIED APPLICABILITY OF SRM 51-10-02-0G-0; NO DAMAGE LIMITS GIVEN IN SRM PART IS REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02-0G-0 PARA 9. REMOVED WING CENTER SECTION CRACK DAMAGED BREAK PANEL AT BS 540 LBL 1 TO LBL 24 IAW SRM 51-10-02-0G-0 REMOVED FLOOR PANEL 231UF FOR ACCESS IAW AMM 53-21-00-000-801;[02] PARTIAL STEP 1;[03] REMOVED AND REPLACED WING CENTER SECTION BREAK PANEL; BS 540; LBL 1 - LBL 25; WL 207 IAW SRM 51-40-02-0G-0 AND DWG 143A0060;[04] VERIFIED CORRECTIVE ACTIONS 1 & 3 COMPLETE;[05] VERIFIED MEASUREMENTS TABLE<BR>VERIFIED CARD COMPLETE.

More about the Boeing 737-7H4