# SDR DALA2017122108784

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 2017
- Submitted: December 21, 2017
- Operation: Air carrier
- Aircraft: N907DL
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 49538
- Aircraft time: 79,332 hours, 60,769 cycles
- System (JASC): [2810 · Fuel Storage](https://openairdocs.org/jasc/2810)
- Part: Skin
- Condition: Cracked
- Location: Fuel Tank
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2017122108784

## Discrepancy

DURING BHEC/HFEC INSPECTIONS OF CENTER TANK LOWER SKIN REPAIR AREA PER PRI 563649-14AD REV 1 STEPS 7 AND 8 CRACK FOUND IN CENTER TANK LOWER FWD SKIN IN AND AROUND FASTENER HOLE JUST FORWARD OF CUTOUT IN AFT SKIN (SHOWN IN FIG 1 SHEET 1 OF PRI). CRACKS EXTEND FWD OF AND AFT OF FASTENER HOLE. (MARKED ENDS OF CRACKS FROM INSIDE TANK). COMPLIED WITH PRI / ERA 563649-14AD REV 7 AND ERA 563883-14 REV ORIG. PRI 563649-14AD REV 7 MATCHES FINAL ERA 563649-14AD REV ORIG.

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