Service difficulty report · Skin · Boeing 737924ER

Difficulty date
March 9, 2020
Submitted
March 20, 2020
Operation
Air carrier
Aircraft
N78438
Make and model
Boeing 737924ER
Aircraft serial
33533
Aircraft time
35,670 hours, 12,424 cycles
Part
Skin
Part number
POSJL2352
Condition
Damaged
Location
Lt Horiz Stab
Stage of operation
IN
How discovered
O
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

(EA 5510-01843 REV H OP 001) DURING C-SCAN FOUND INDICATION ON L /H STAIBILIZER LOWER AFT SKIN BETWEEN RIBS STA 120.30-129.50. REF BY PEMCO NR 2708N274 REPAIRED LH STAB LOWER AFT SKIN BETWEEN RIBS STA 120.30-129.50 IAW B737-900ER SRM 55-10-01, REPAIR 11, CAT B REPAIR, INSP THRESHOLD AT 56000FC, REPEAT INTERVALS 9000FC FOR DVI & LFEC PER 737 NDT PART 6, 51-00-26, FIG 1 TOMC APPROVED DIP CARRY. TPA MX BASE PERFORMED HORIZONTAL STAB LWR SKIN EXTERNAL REPAIR 11 PER SRM 55-10-01. PLACED ON DIP TO PERFORM DVI AND LFEC AT INTERVALS OF 9000 FC WITH AN INSPECTION THRESHOLD OF 56000 TOTAL FLT CYCLES REF SRM 55-10-01, REPAIR 11 CAT B REPAIR, TABLE 204, PG. 223. TOMC-APPROVAL FROM SC1ELBYC COMMENT INSPECTIONS CREATED BY AUTODIP PENDING AIRCRAFT RECORDS AUDIT & UPDATE.