Service difficulty report · Tension Tie · Boeing 7377H4

Difficulty date
July 22, 2022
Submitted
August 22, 2022
Operation
Air carrier
Aircraft
N490WN
Make and model
Boeing 7377H4
Aircraft serial
32476
Aircraft time
59,880 hours, 35,571 cycles
Part
Tension Tie
Condition
Corroded
Location
Aft Wet Area
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 ON TENSION STRAP AT AFT WET AREA LBL3 BS1016; BS1026. / [01] PARTIAL STEP 1 AND 2.;[02] VERIFIED CORRECTIVE ACTION 1 AND 2 PARTIAL AND VERIFIED OUT OF LIMITS;[03] REMOVED TENSION STRAP AT BS 989 TO 1026 RBL 11 WL 208 PER SRM 51-10-02.-;[04] RECIVED NEW TENSION STRAP P/N 147A5620-3; LOCATED AND DRILLED NEW TENSION STRAP AT BS 989 TO 1029 LBL 3 WL 208; IAW 737-700 SRM 51-40-05-0G-0 DWG 147A5600 OK TO INTALL.;[05] VERIFIED CORRECTIVE ACTION STEP 4. VERIFIED OK TO INSTALL.;[06] INSTALLED NEW TENSION STRAP AT BS 989 TO 1029 LBL 3 WL 208; IAW 737-700 . IAW 737-700 SRM 51-40-02-0G-0; DWG 147A5600.;[07] INSTALLED NEW TENSION STRAP AT BS 989 TO 1029 LBL 3 WL 208. IAW 737-700 SRM 51-40-02-0G-0; DWG 147A5600.;[08] REJECTION TO ITEM 7 AT STEP 3.;[09] INSTALLED NEW TENSION STRAP AT BS 989 TO 1029 LBL 3 WL 208. IAW 737-700 SRM 51-40-02-0G-0; DWG 147A5600 REV:H;[10] VERIFIED ITEM 9 CORRECTIVE ACTIONS.;[11] VERIFIED MEASUREMENT FIELD

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